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The 8 Best mattress 4 inch memory foam mattress kings of 2024

Are you trying to find mattress 4 inch memory foam mattress kings among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling mattress 4 inch memory foam mattress kings on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 61 mattress 4 inch memory foam mattress kings tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best mattress 4 inch memory foam mattress kings you can buy today

SaleNo. 1
HomeMate Memory Foam Mattress Topper King - 4 Inch Gel Cooling Pad High Density Firm Topper, Soft Pressure Relieve Bed CertiPUR-US, Non-Slip Removable & Washable Cover
  • 【Cooling Gel Memory Foam Mattress Topper】: The memory foam mattress is made with high-density memory foam and cooling gel, which absorb and disperse heat, preventing the body from overheating. It provides excellent support while maintaining breathability, giving you a cool night's sleep. The memory foam mattress topper king helps improve the comfort and aesthetics of an old bed, making it the perfect solution to add softness to any mattress.
  • 【Refreshing & Comforting Rest】: The foam mattress topper provides adaptive and comfortable support, designed to reduce motion transfer from your partner, child, or pet, allowing you to fall asleep faster and stay asleep longer. The firm mattress topper conforms to your body curves and shape, evenly distributing your weight to keep your spine in a neutral position, relaxing your muscles, and relieving pressure on your body.
  • 【Skin-Friendly Cover】: The mattress topper surface is made with skin-friendly, breathable, and soft fabric. The bottom is evenly distributed with non-slip particles to prevent displacement, and the 4 adjustable elastic straps keep the mattress pad in place, no matter if you prefer sleeping on your side, back, or stomach. Enjoy better sleep in any space or occasion like dorms, camping tents, overnight stays in the living room, RVs.
  • 【 Washable & Durable 】: The bed topper queen high-performance cover features an L-shaped zipper design for easy removal and cleaning. It can be machine washed in cold water and dried at low temperatures, but cannot be ironed or dry cleaned. Please avoid washing the memory foam itself and direct sunlight exposure to prevent reducing the mattress's lifespan. Every month, flip the memory foam 180° horizontally to prolong its supportiveness.
  • 【Quality Certification 】: The cooling mattress topper has passed OEKO-TEX and CertiPUR-US certification, ensuring quality and providing you with a healthy sleep. Instructions for use: We use vacuum packaging. Before first use, please unzip and remove the memory foam topper cover. The new foam may have a slight odor. Place the memory foam in a well-ventilated area for 24-48 hours to allow odor to dissipate and the foam to fully expand.
SaleNo. 2
Novilla Mattress Topper King, High Density 4 Inch Memory Foam Mattress Topper with Gel Infusion for Pressure-Relieving & Cooling, Medium Soft King Size Mattress Topper, Airflow Design Green
  • BETTER SUPPORT FOR REDUCEING PAIN IN SLEEP: The combination of high-density all-foam and gel-infused foam for better support. This gel memory foam mattress topper conforms closely to equally distribute your weight, reducing pressure on hips and shoulders. If you want to struggle with pain or discomfort, try our memory foam topper today!
  • ADJUST THE LEVEL OF COMFORT FOR AGING MATTRESS: Medium soft mattress topper can help to enhance the sleep surface on those too soft or too firm mattresses, makes your bed much more comfortable. Our mattress topper King size can easily rejuvenate aging mattresses and prolong mattresses life!
  • PERFORATION & GEL-INFUSED for BETTER BREATHABILITY: 4 inch memory foam mattress topper infused with cooling gel can dissipate heat to ensure a comfortable temperature all night long. Combined with open-cell ventilated design for air circulation to achieve better breathability.
  • CertiPUR-US CERTIFIED TO ENSURE SAFETY AND DURABILITY: The material, safety and durability of our king mattress topper has been certified by CertiPUR-US which is one of the most authoritative foam test certification. You can sleep on the Novilla mattress topper with peace of mind.
  • COMPRESS TOPPER IN A BOX: Our memory foam mattress topper king is delivered to you in compressed packaging. The mattress topper with excellent “inflatable” feature is easy to unfold and expand backto its original shape within 48 hours.
SaleNo. 3
LUCID 4 Inch Gel Memory Foam Mattress Topper, Ventilated Design, Ultra Plush, CertiPUR-US Certified, King, Blue
  • PLUSH MEMORY FOAM FEEL: Add 4 inches of thick, plush gel memory foam to your bed to create a soft and conforming feel that cradles your body while you sleep
  • COOLING GEL INFUSION: Contouring memory foam is infused with gel material that captures and dissipates heat for a cooler memory foam experience
  • DESIGNED FOR BREATHABILITY: This thick topper provides maximum comfort and softness without sacrificing breathability. A ventilated design improves airflow so you can sleep cool and comfortable
  • ELEVATED PRESSURE POINT RELIEF: Upgrade your old mattress with this memory foam topper that distributes weight evenly and conforms to your curves for targeted pressure point relief
  • SHIPS IN A BOX: Rolled and shipped in a box, this topper meets the highest safety standards; just open it and give it 24-48 hours to decompress and shed the new foam scent; 3-year warranty
SaleNo. 4
ZINUS 4 Inch Green Tea Memory Foam Mattress Topper, Pressure-Relieving Layers, CertiPUR-US Certified, King
  • REFRESHING SLEEP, BUILT RIGHT IN - If good sleep is your cup of tea, then you’ll love our recipe for rejuvenating rest; green tea and moisture-absorbing charcoal are infused into memory foam that cradles you so you awake restored and refreshed
  • NATURAL INGREDIENTS - This 4 inch layer features 1.5 inches of memory foam with natural additives like green tea, charcoal and plant oil and 2.5 inches of durable high density base foam; fits under any standard or deep pocket fitted sheet
  • CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content
  • EXPERTLY PACKAGED - Our technology allows this topper to be efficiently compressed into one box that’s easily shipped to your door; simply unbox, unroll and this topper does the rest, expanding to its original shape within 72 hours
  • Worry-free 5 year limited warranty included; a new foam scent is normal and should dissipate within 72 hours
No. 5
ELEMUSE 4 Inch Ventilated Design Memory Foam King Mattress Topper,Cooling Gel Infused Swirl Foam Pad for Pressure Relief Back Pain,Bed Topper for Body Support, CertiPUR-US Certified
  • 【Exceptional Sleep Experience】The plush gel-infused memory foam mattress topper serves as the perfect complement to your bed, offering a comfortable haven. memory foam unique texture not only revitalizes your old mattress, but also softens overly firm surfaces, adding a cloud-like touch to your sleep surface. Whether unwinding during the day or preparing for a peaceful night's rest, you will be immersed in an exquisite lying experience, enveloped in tranquility and comfort.
  • 【Unique Ventilation Design】Memory foam mattress topper carefully crafted perforated structure, where each tiny pore resembles a natural window, allowing air to flow within the mattress topper. Effortlessly reducing surface temperature, memory foam creates a cooler and more delightful sleep environment. This design also grants memory foam enhanced durability, alleviating material compression and deformation, extending the mattress's lifespan, and providing you with enduring comfort and support.
  • 【Personalized Support and Pressure Distribution】Perfectly conforming to your body's contours and maintaining spinal alignment, bed topper helps prevent and alleviate back pain. memory foam evenly disperses body weight, eliminating pressure points on joints and muscles, providing an unparalleled sense of relaxation. Cleverly blending cushioning and contouring, mattress topper significantly reduces the impact of your partner's movements, allowing you to enjoy a night of undisturbed sleep.
  • 【Tips And After-Sales Support】Various thicknesses and sizes to meet individual needs. This memory foam is CertiPUR-US certified, ensuring worry-free quality. Before initial use, please allow memory foam mattress topper to sit in a well-ventilated area for 48-72 hours until fully expanded. Additionally, we provide you with a one-year warranty and 24/7 live customer service support, ensuring your post-purchase experience is caring and hassle-free.
SaleNo. 6
BedLuxury Mattress Topper Memory Foam 4 Inch King Size Gel Mattress Pad Cover with 18'' Deep Pocket for Pressure Relief Bed Topper with Removable Rayon Made from Bamboo Cover Soft & Breathable
  • GEL MEMORY FOAM & CERTIFICATION – Bedluxury 4inch mattress topper is CertiPUR-US certified and rayon made from bamboo cover is OEKO-TEX certified. The memory foam infused with cooling gel that captures and distributes heat to improve your sleeping experience. High-density memory foam provides as much comfort and support as possible to help relieve common pressure points and prevent you from sinking into the foam
  • UPGRADED NON-SLIP DESIGN:18'' DEEP POCKET – 2022 new BEDLUXURY bed topper has 360° surrounded deep pocket and anti-slip surface backing , grips any mattress 8-21 inch. More secure, prevent falling off and moving,suitable for any sleeping positions
  • REMOVABLE & WASHABLE COVER – Use skin-friendly and breathable bamboo fiber cover,fully washable and easy to care
  • TIPS – 24-48 hours for the smell of the new mattress topper to dissipate and fully inflate. It may take more time at low temperatures, finding the right temperature (78°F) will shorten the time.
  • CUSTOMER SERVICE – We offer a 365 night 100% satisfaction guarantee. 10 -Year Warranty for Quality-Related Issues, If you have any question, please contact us and we will provide you with a solution
SaleNo. 7
Best Price Mattress 4 Inch Ventilated Memory Foam Mattress Topper, Cooling Gel Infusion, CertiPUR-US Certified, King Blue
  • 4-Inch memory foam topper instantly revamps old mattress for superior sleep climate
  • Ventilated design optimizes air flow for fresh sleep
  • Responsive memory foam is engineered for ideal pressure-relieving support.
  • Sleep cool with gel infusion that helps reduce trapped body heat
  • CertiPUR-US certified foams, 3-year manufacturer's warranty
  • Product Note: Please allow up to 72 hours for the topper to rise
No. 8
Homemate Memory Foam Mattress Topper King, Dual Layer 4 Inch Cooling Mattress Topper, 2 Inch Gel Memory Foam Plus 1800TC Mattress Pad Comfort Support, Pillow Top with 8-21 Inch Deep Pocket, White
  • 2 IN 1 DOUBLE LAYER DESIGN: Our mattress topper king features a 2-inch cooling foam mattress topper with a wave texture design, paired with a 2-inch 1800TC microfiber surface pillow top mattress topper king, which with 7D snow down alternative overfilling. When combined, it can become a 4-inch-thick mattress topper, achieving a perfect balance between comfort and support for the ultimate sleeping experience, delivering cloud-like comfort and support, providing you with a 5-star hotel sleep experience.
  • Ultimate Sleep Experience: Our foam mattress topper can easily conform to your body curves, evenly distributes weight, and provides just the right amount of support for your body, allowing you to sink in comfortably while still maintaining proper alignment of your spine. The foam mattress topper ensures that you wake up feeling refreshed. Whether you prefer sleeping on your back, stomach, or side, investing in a medium firm mattress topper is a good choice.
  • Cooling & Breathable: The microfiber surface is soft, skin-friendly, breathable, and low sensitive. The gel technology in the foam reduces heat, improves airflow, and keeps you feeling refreshed throughout the night. The 50% virgin microfiber added to the fillings creates the possibility of breathing in the mattress pad, ensuring breathable circulation inside the pillow top mattress topper so that you do not feel uncomfortable warmth or heat at night. Our cooling mattress topper is the perfect addition to any bed, providing exceptional comfort and support.
  • Deep Pockets & NO Deform: 8-21 inch stretch deep pocket can perfectly wrap your mattress topper and can be easily placed on most foam topper, you can turn over freely on quiet nights without noise or worry about plush mattress topper movement. The high-quality materials used in the mattress pads are also durable, and there is no risk of tearing even if it is cleaned frequently, let alone deformation.
  • Guaranteed & Care: The CertiPUR-US certified foam and the OEKO-TEX Standard 100 certified pillow top is durable and hypoallergenic. Do not contain harmful substances and help decrease the negative outcomes of a person who has sensitive skin. Machine washable, under gentle cycle with chilly water, tumble dry low. Please DO NOT iron, DO NOT dry clean. If you have any issues, please feel free to contact us. Due to vacuum packaging, it may look thinner after opening the package, please leave the foam mattress topper and foam flat in a well-ventilated area for 48-72 hours to restore the fluffiness of the mattress pad and remove the slight smell of foam.
No. 9
MASVIS King Size Dual Layer 4 Inch Memory Foam Mattress Topper, 2 Inch Gel Memory Foam and 2 Inch Cooling Pillow Top Mattress Pad Cover for Back Pain, Medium Support
  • 2 In 1 ADJUSTABLE DUAL LAYER DESIGN - This plush dual layer mattress topper features a 2-inch cooling gel memory foam and a 2-inch quilted breathable pillow top mattress topper with snow down alternative overfilling. When combined, it can become a 4-inch thick mattress topper, which not only has strong support, but also provides a cloud-like comfortable experience
  • LUXURY EXTRA THICK MATTRESS TOPPER - It uses 3D&7D fiber made Three Dimensional Structure that makes the air circulate, gives superior comfort and cooling without extra heat and sweat caused by memory foam or traditional mattresses. Square jacquard surface with double border pillow top construction can make your bedroom no longer monotonous
  • IMPROVE SLEEP & RELIEVE PAIN - The 4-inch buffer space gives you ergonomic support from head to foot. Fit the body curve, so that your shoulder, neck, back and spine can be in the most relaxed state, so as to relieve pain. The medium firm memory foam and the pillow top mattress pad cover give you the best sleep experience
  • HIGH QUALITY & EASY CARE - 400TC combed fiber made mattress topper is durable, no risk being ripped even with frequently washing. Machine wash separately in cold water. Tumble dry on low heat or line dry. Wash them regularly to keep your mattress clean and free of stains keeps it smelling fresh and helps you to keep you healthier
  • PACKAGE & SERVICE - Due to vacuum packaging, it may look thinner after opening the package, please take out the foam memory and the mattress pad, lay them flat in a well-ventilated area for 48-72h to remove the slight smell of the foam memory and restore the fluffiness of the mattress pad. We will provide a 10-year warranty service. You can contact us directly to get a satisfactory solution
SaleNo. 10
Mellow 4 Inch 5-Zone Memory Foam Mattress Topper, Cooling Gel Infusion, King
  • 4-inch breathable mattress pad layered with 5 body zones for maximum comfort
  • Multiple points of contact provide pressure relief throughout the body for enhanced sleep quality
  • Sleep cool with gel infusion that helps prevent heat from being trapped
  • Responsive active suspension isolates motion to provide undisturbed sleep for you and your partner
  • CertiPUR-US certified memory foam, 3-year manufacturer's warranty
  • Product Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding
No. 11
Sleepmax Extra Firm Mattress Topper King Size 4 Inch - Memory Foam Mattress Topper - Bamboo Charcoal Infusion - Ventilated - High Density Foam Bed Topper
  • STRONG SUPPORT - This is a real firm bed topper specially designed for people who looking for a firm/extra firm mattress pad to enhance the mattress support or improve an old/saggy mattress.
  • 2-LAYER DESIGN - This memory foam topper features a dual-layer design: a soft memory foam layer and the bottom high density supportive foam, you'll feel truly supportive but comfortable still.
  • BAMBOO CHARCOAL - Infused with natural bamboo charcoal, this memory foam pad is designed to help eliminate odors and excess moisture, ensuring a fresh and clean sleeping environment.
  • VENTILATED HOLES - The entire foam mattress topper undergoes a ventilating process for better air circulation, resulting in a cooler and more comfortable sleeping experience.
  • SIZE & INSTRUCTIONS - King Topper: 76" x 80". Of note, you can cut it to any size you want without affecting its performance. Rest assured that all memory foam is CertiPUR-US certified. Please allow 72 hours for it to fully expand and off-gas.
No. 12
Sleep Innovations Cooling Comfort Gel Memory Foam Dual Layer Mattress Topper, 4 Inch, King Size, Pillow Top Cover
  • King Size 4 Inch Cooling Mattress Topper: Extend the life of your mattress with double the coolness in a 2 inch cool-to-touch fiberfill cover and a 2 inch layer of responsive gel memory foam
  • Bedtime Made Better: This gel memory foam mattress topper offers medium plush support for all sleep positions; The cool-to-touch 2 inch pillow like cover is removable, machine washable, and stretches to fit your bed like a fitted sheet
  • Instantly Improve Any Mattress: Relieve pressure points, enjoy deeper sleep, and wake up feeling refreshed with our line of memory foam, gel memory foam, dual layer, and pillow top mattress toppers
  • Made In The USA: Our memory foam mattresses, mattress toppers, and pillows are all hypoallergenic and CertiPUR-US certified, offering you high quality materials for high quality sleep
  • Committed To Great Sleep: We invented the memory foam mattress in a box and we continue to innovate restorative foams and fabrics to give you the best night's sleep; This topper comes with a 10 year warranty
No. 13
LINSY LIVING 4 Inch King Mattress Topper, Gel Infused Swirl Memory Foam, Bed Topper King Size, Cooling Mattress Pad, CertiPUR-US Certified, King Size
  • Gel Infused Swirl Mattress Topper - Includes cooling gel beads to dissipate heat away faster and regulate your body temperature. We add swirl to make waves pattern, sleeping on it would feel like surfing, have a whole new experience this year!
  • High Density Memory Foam - Our mattress topper is made of 30D memory foam, it has 2 inches of supportive foam and 2 inches of gel memory foam, the slow rebounce feature of memory foam can make your bed softer and help to increase the comfort level of your bed
  • Take Your Sweet Dreams Back - Is your mattress old enough to make you feel the spring underneath? It is time to get a LINSY LIVING king mattress topper, with it's soft and comfy, your sleep quality would be completely improve within affordable budget. Upgrade your bed does not need to buy a whole new mattress
  • CertiPUR-US Certified - LINSY LIVING memory foam mattress topper king has passed the CertiPUR-US test, which means our mattress topper has passed strict tests and meet the standards for smell, material, performance and durability, a bed topper you can definitely trust
  • 10-Year warranty - 30 days trial protects your rights as a consumer. We also provide a 10 years warranty for all of our customers, so if you have any questions or unsatisfied with the gel mattress topper, you can contact LINSY LIVING for support, we are 24/7 for you.
SaleNo. 14
BedStory 4 Inch Memory Foam Mattress Topper King Size, Gel Infused Swirl Memory Foam Bed Topper for Back Pain Relief, Cooling Mattress Pad Ergonomic Design Skin-Friendly, CertiPUR-US Certified
  • TOTAL PRESSURE POINTS RELIEF - BedStory cool gel swirl memory foam mattress topper readily conforms to the curves and shape of your body to reduce aches and pains while you sleep regardless of your sleeping position.
  • COOLING GEL SWIRL MEMORY FOAM - With cooling gel beads infused and swirl design, this mattress topper reduces heat and improves airflow for a cool feel and refreshing breathability.
  • HIGH-DENSITY SUPPORTIVE MEMORY FOAM - BedStory gel mattress topper made of high-density memory foam has better resilience and is suitable for people of different weights.
  • A HEALTHIER SLEEP ENVIRONMENT - BedStory cooling memory foam mattress pad made of CertiPUR-US certified materials that exceed standards for content, emissions, and durability, and has been analyzed by independent, accredited testing laboratories.
  • 100 NIGHT NO RISK SLEEP TRIAL - As the brand owner and manufacturer, you can get the best price mattress topper. Each mattress topper we sell goes with a 100-night trial and lifetime service. If you have any problem with the gel mattress topper, please contact us, we are 24/7 for you.
No. 15
BedStory King Mattress Topper, 4 inch Cooling Gel-Infused Firm Bed Topper, High Density Memory Foam Mattress Pad for Back Pain Relief, Pressure Relieve, CertiPUR-US
  • 🏠🛏️Conforming to Ergonomic&Multi Zone Design: The next-generation memory foam mattress pad provides excellent contour, which helps equally distribute your weight, support the spine, and ease pressure points throughout the body. Be ready to enjoy an enhanced sleep whether you are side, back, or stomach sleepers.
  • 🏠🛏️40D High-density Memory Foam: Our ergonomic tests simulate how you toss and turn to design the best support system for all body types. The gel swirl foam mattress topper features a combination of memory foam and supportive foam. It is designed to enhance the overall comfort of your existing mattress by updating it to medium-firm.
  • 🏠🛏️Cooling Foam Topper: Cooling properties of gel, combined with open-cell structure foam. This mattress topper offers increased airflow between hot air and cold air, and better breathability than normal memory foam. (Please note, calming blue swirl patterns may vary due to the complex production process.)
  • 🏠🛏️Multi Firm Bed Topper to Choose: Available in 2/ 3/ 4 Inches firm matress toppers for customized softness and support for different sleepers. Just select the profile to perfectly match your sleep preferences. Recommended for mattress improvement, kids' bedrooms, student dorms, guest rooms, and RV campers, also a great gift for your family!
  • 🏠🛏️CertiPUR US&OEKO-TEX Safety Certification: All Bedstory firm mattress toppers have CertiPUR US certification&OEKO-TEX certification. CertiPUR US certification ensures that the material content, performance, and durability of the Bedstory mattress topper meet the requirements. OEKO-TEX certification ensures the safety of the product, and you can purchase with confidence.
  • 🏠🛏️Professional Bedstory Brand Service: We are a professional manufacturer of mattresses and firm mattress toppers, with over 40 years of production experience and technology! If you have any questions about the mattress, please feel free to contact us. We have a professional after-sales team, and you will receive a professional response within 24 hours.
No. 16
BedStory 4 Inch Memory Foam Mattress Topper King - Gel Infused Bed Toppers with Removable Cover & High Density Memory Foam - Medium Firm, CertiPUR-US Certified
  • 🛏️Two-Layer Design: Combining gel memory foam with support foam, this mattress topper will upgrade your bed to be more comfortable.
  • 💗Contouring Support: Made from dense memory foam, the foam mattress topper contours to your body curves and cradles the pressure points. Be ready to wake up refreshed and energetic every day!
  • 💗Gel Infused Comfort: Premium bed topper with gel infusion and open-cell technology, which ensures proper airflow throughout the night.
  • ✅Removable Zipper Cover: The memory foam topper features a removable cover for easy care. Besides, it has non-slip corner straps to keep it in place.
  • ✅What You Get: BedStory 4 inch memory foam mattress topper comes with CertiPUR-US foam. And we’ve got you covered for manufacturing defects.
  • 4-Inch Mattress Topper King Size, 80"x76"
SaleNo. 17
Lucid 4 Inch Mattress Topper King – Memory Foam – Bamboo Charcoal Infusion – Cooling Ventilation – Hypoallergenic – CertiPur Certified Foam
  • MEMORY FOAM: 4 inches of soft memory foam provide a “sink-in” feeling to help make a firm mattress plush. Foam mattress topper is ventilated to promote air transfer for a comfortable sleep climate.
  • BAMBOO CHARCOAL: Bamboo charcoal is infused in the bed topper, wicking away moisture and regulating odors for a fresh sleep environment
  • PROTECT YOUR TOPPER: We recommend using a Lucid mattress protector for your bed to protect against any leaks or spills to ensure a long life of the memory foam mattress topper
  • CERTIFIED FOAM: All Lucid memory foam is CertiPur-US certified for safety and performance of the mattress topper to give you peace of mind
  • TOPPER IN A BOX: We design all our Lucid mattress toppers to arrive at your home in an easy-to-carry box. Simply unbox, unroll, and wait 24-48 hours for the topper to expand.
No. 18
subrtex 4 Inch Gel-Infused Memory Foam Bed Mattress Topper High Density Cooling Pad Removable Fitted Cover Ventilated Design (King)
  • Inner memory foam: Subrtex 3" gel-infused memory foam mattress topper uses 3.5 pound density memory foam, mattress topper with ventilated design optimizes air flow and reduce trapped body heat, creating a cooler and more comfortable sleeping environment
  • Removable & washable cover: The rayon made from bamboo cover adopts skin-friendly knitted fabric, comes with adjustable elastic straps which fit mattress depth up to 12", equips with mesh fabric backing to prevent sliding and premium metal zipper for easy removal and washing
  • Healthier sleep environment: Our memory foam mattress topper is certified by CertiPUR-US and OEKO-TEX for durability, performance and content. No formaldehyde, No harmful phthalates
  • Advanced shipping: Before first use, leave the memory foam flatly in a well ventilated area for 48-72 hours until it's fully expanded. Tips: Low temperature may need more time, find a suitable temperature(78℉) will shorten the time. Memory foam care: spot clean, do not place in the washing machine or dryer. Cover care: remove cover and clean
  • Ten-year: We are confident with our mattress topper and we will provide peace of mind for your purchase. Buy with Confidence. If you have any issues within 10 years of your purchase, Contact us and we will find make it right
No. 19
SINWEEK 4 Inch Gel Memory Foam Mattress Topper Ventilated Soft Mattress Pad, Bed Topper, CertiPUR-US Certified, King Size, Purple
  • GEL MEMORY FOAM MATERIAL: Our memory foam mattress topper readily conforms to the curves and shape of your body, distributes weight evenly to alleviate pressure points for better sleep.
  • MORE COMFORTABLE SLEEP: The gel memory foam material used in our mattresses reduces heat and improves the airflow to refresh the gas permeability; add to the mattress for custom comfort.
  • SOFT BUT NOT FOLDABLE: our mattress is soft, do not roll up and store too long after opening, and do not put items on top, which will increase the risk of tearing.
  • CertiPUR-US CERTIFIED: Our Gel Swirl memory foam topper is made of CertiPUR-US certified materials. The Gel Swirl memory foam topper meets or exceeds standards for content, emissions, and durability.
  • BEFORE FIRST USE: leave the memory foam flatly in a well ventilated area for 48-72 hours until it’s fully expanded. In addition, we offer a three-year warranty and 24-hour manual customer service to ensure your after-sales service.
  • NOTE: The softness of the Mattress Topper is influenced by the temperature. In the cold winter Mattress Topper will become harder.
SaleNo. 20
Maxzzz 4 Inch Memory Foam Mattress Topper King, Gel Firm Bed Toppers, High Density Ventilated Foam Mattress Pad with Removable Cover Blue+White
  • 🧑👶👧🛌4Inch Mattress Topper King:76 x 80 inch, 💖👍Firm mattress topper king for back pain & 👉balance support.
  • ❤👍HIGH-DENSITY MEMORY FOAM MATTRESS TOPPER: Maxzzz 4Inch mattress topper King (crafted with 1.5" 40D high-density(approximately 3.5 lbs/cubic foot) aviation grade cooling memory foam infused gel beads + 2.5" high density supportive foam) which is more supportive & breathable for a long-lasting and comfy use compared to other traditional ordinary memory foam mattress topper on market. HIGHLY RECOMMEND!
  • ✔✔CERTIPUR-US & OEKO-TEX CERTIFIED TOPPER: We Are Professional Mattress & Mattress Topper Manufacturer with over 40 years production & trading experiences! All of bed toppers come with CertiPUR-US certificate( measures for smell, material, performance and durability), And the luxurious soft-touch 100% polyester cover (delivers instant comfort) is certificated OEKO-TEX.
  • 👏💖REMOVABLE & WASHABLE & HOLD-IN-PLACE COVER: A mattress topper with removable cover can significantly extend the life of your mattress and keep it clean! Our Gel Memory Foam Mattress Topper includes a removable cover( zipper design) that is machine washable & dryable, Also it comes with elastic straps & anti-slip surface backing to hold the new bed topper in place.
  • 😴😴SUFFICIENT SUPPORT & RELIEVES PRESSURE POINTS: Maxzzz GEL Mattress Topper features a 40D memory foam with a An open-cell structure for optimized support and airflow. Whole cooling memory foam topper provides superior comfort while actively alleviating painful pressure points.
  • 🥇🥇REST ASSURED WARRANTY & CUSTOMER SERVICES: Buy with Confidence! If you have any issues of your purchase, Contact us through Amazon and we will find make it right. Any questions or unsatisfied with this 4Inch King memory foam mattress topper, you could contact Maxzzz service team for support by Amazon, we are 24/7 for you.
  • 🎁👌EXPERTLY PACKAGED & PACKAGE INCLUDED: 1* compressed 4 inch King memory foam mattress topper Topper, 1* high quality removable topper cover, 1*professional detailed instruction, Packed for easy carry and set up-just unpack, unroll and unwind, expanding for 48-72 hours, well-providing new found comfort and support to any new or old mattress.

How to choose a good mattress 4 inch memory foam mattress kings

Does the idea of finding a fantastic mattress 4 inch memory foam mattress kings make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in mattress 4 inch memory foam mattress kings. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top mattress 4 inch memory foam mattress kings products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top mattress 4 inch memory foam mattress kings on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top mattress 4 inch memory foam mattress kings brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top mattress 4 inch memory foam mattress kings based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the mattress 4 inch memory foam mattress kings were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good mattress 4 inch memory foam mattress kings, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your mattress 4 inch memory foam mattress kings.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting mattress 4 inch memory foam mattress kings for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our mattress 4 inch memory foam mattress kings. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what mattress 4 inch memory foam mattress kings should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on mattress 4 inch memory foam mattress kings.