Are you trying to find 40 degree sleeping bags 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 40 degree sleeping bags 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 21 hours of research and did 46 40 degree sleeping bags 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 40 degree sleeping bags you can buy today
- Stay warm in temperatures as low as 40°F
- Thermolock draft tube along the zipper keeps body heat from escaping
- Fiberlock construction keeps insulation from shifting
- Soft ComfortCuff fabric trim along the opening surrounds the face with softness
- Easy packing with Roll Control fasteners and QuickCord no-tie closure
- Machine washable
- Dimensions: 75 x 33 in.
- Max height: 5 ft. 11 in.
- 5-year limited warranty
- STAY WARM: Sleep comfortably in temperatures as low as 30°F
- DIMENSIONS: 75 x 33 in. ; for campers up to 5 ft. 11 in.
- PREVENTS HEAT LOSS: A draft tube along the zipper keeps body heat from escaping
- LIGHTWEIGHT: Hollow polyester insulation for better heat retention with less weight
- EASY PACKING: Fasteners lock bag in place for easier rolling; no-tie cords keep bag cinched tight; stuff sack included
- NO-SNAG ZIPPER: Snag-free zipping and unzipping every time
- EASY CLEANING: Machine washable
- 5-YEAR LIMITED WARRANTY
- 40 Degree Temp Rating, Regular Size: Fits sleepers up to 6ft, fill weight 24oz, total weight 2lbs 6oz, stuff size (non-compressed) 15x8 inches. Color: Duffel Bag Green/Smoke
- Packability: Integrated compression stuff sack, coupled with the premium packability of the synthetic fill allow the Cosmic synthetic to reach minimalist standards of backpacking gear. Trail weight varies by temp rating, from 2lbs 6oz to 4lbs 11oz.
- Insulation: Cirroloft synthetic insulation provides reliable warmth in cold and damp conditions, maintains loft for even coverage with no cold spots. Temperature ratings from 0 degrees to 40 degrees, to ensure your time on the trail is comfortable.
- Tailored Fit: Natural fit spacious footbox gives more room to wiggle your toes, and length options range to fit sleepers 5’8” to 6’6”. A handy stash pocket on the exterior of the bag for your overnight goodies and essentials in the tent.
- Kelty Craftsmanship: Kelty is synonymous with quality in the outdoor community. Kelty gear is built for play, and built to last. The Cosmic Synthetic bag is ready to be put through the ringer on the trail, campground, and everywhere in between.
- Budget Friendly: Conquer sleep in the outdoors, without killing your budget. The Mistral is designed to give you everything you need, and nothing you don’t.
- Durable Materials: Outer shell and inner liner both made using durable and soft 190T Teffeta Polyester. Equal parts comfortable and weather-ready, the bag is made to last season after season, and made for play.
- Offset Quilt Pattern: The Quilt-style stitch pattern provides the most efficient, even coverage of insulation throughout the bag, eliminating cold spots (or hot spots).
- Synthetic Insulation: Kelty’s Cloudloft insulation (the same fill we use in our camp pillows and doublewide sleeping bags) provides reliable warmth, cushion, and comfort for your night under the stars.
- Kelty Craftsmanship: Kelty is synonymous with quality in the outdoor community. Kelty gear is built for play, and built to last. The Mistral sleeping bag is ready to be put through the ringer on the trail, campground, and everywhere in between.
- 40 Degree Temp Rating, Regular Size: Fits sleepers up to 6ft, fill weight 29oz, total weight 2lbs 12oz, stuff size (non-compressed) 16x9 inches. Color: Grape Leaf
- Care instructions: Hand Wash
- 【 𝐋𝐈𝐆𝐇𝐓𝐖𝐄𝐈𝐆𝐇𝐓 & 𝐂𝐎𝐌𝐏𝐀𝐂𝐓 】 Ultralight sleeping bag weighs only 1.81lbs, package size only 11.4" x 7.1", it's about half the weight and volume of a polyester sleeping bag! Very space saving! Each compact sleeping bag comes with a compression sack, suitable for camping, backpacking, hiking, expeditions, mountaineering, travel.
- 【 𝐊𝐄𝐄𝐏 𝐖𝐀𝐑𝐌 】Filled with 380g 600+ Fill Power selected premium duck down, the down sleeping bag keeps you stay in warm and dry. Pure natural and healthy material, fluffy and soft, no odor or impurities. Comfort temperature: 40°F-60°F. Double zipper and windproof strip design prevent cold air from entering. Mummy sleeping bag head shape fits the head better and keeps warm, the lower body is rectangular, you can move foots freely.
- 【 𝐋𝐀𝐑𝐆𝐄 𝐒𝐏𝐀𝐂𝐄 】The use size of our adult sleeping bag is 30.7"x84.6", more spacious than normal sleeping bags! The foot zipper can be opened for good ventilation.
- 【 𝐃𝐔𝐑𝐀𝐁𝐋𝐄 & 𝐋𝐎𝐍𝐆 𝐋𝐀𝐒𝐓𝐈𝐍𝐆 】400T 20D high-density nylon fabric, anti-moisture, anti-tear, anti-drilling, high-quality zipper is very smooth to use, the design of the diamond grid makes the down distribution more even, well-made, high-density quilting prevents the down from coming out.
- 【 𝐒𝐀𝐓𝐈𝐒𝐅𝐀𝐂𝐓𝐈𝐎𝐍 𝐆𝐔𝐀𝐑𝐀𝐍𝐓𝐄𝐄 】QEZER always provides our customers with the best sleeping bag products and services with premium down. If you have any product questions, please contact us, we will respond sincerely and do our best to keep you satisfied.
- 1.FEEL THE DIFFERENCE - Farland Super Comfortable Sleeping Bags are designed to ensure that after a tiring day of trekking, hiking, travel or any other exploration you can get a good and relaxing night's sleep.Roll Control Design makes folding quick and easy ,Zip two together for double the room.
- 2.DESIGNED FOR COOL/COLD WEATHER – Our sleeping bags are designed for 20-62℉/-7-17℃. Moreover, these bags also have a waterproof, weather-resistant design to keep you warm even in extreme conditions and prevent you from any dampness - this is achieved through double-filled technology.
- 3.SIZE - Envelope-Shape Sleeping Bag measures 29.5 by 86.6 inches (W x D), Mummy-Shape Sleeping Bag measures 33.5 by 86.6 inches (W x D),and comfortably fits most campers up to five feet, 11 inches tall.
- 4.Material - Outer Cover Material:290T Nylon,Waterproof and Breathable Fabrics;Lining Material:Polyester Pongee;Fill-Material: Polyester Fibre.its lightweight & compact design which is convenient to carry along for any outdoor adventures, and its ability to withstand extreme weather conditions – certainly the best sleeping bag for adventures
- 5.100% RISK-FREE SATISFACTION GUARANTEE – We also offer you 100% Risk-Free Satisfaction Guarantee to let you buy with confidence. However, we are quite sure that you will be super impressed with its ability to keep you warm in winter.
- PLENTY OF ROOM. Comfortably fits most campers up to 5 FEET, 11 INCH tall. SEZE: 31.5 by 86.6 inches (W x D). Our sleeping bag can be used in 3 seasons with a design temperature of 50℉- 68℉(10℃-20℃). Recommended limit temperature: 41℉-77℉
- GOOD QUALITY WITH AFFORDABLE PRICE. The stitching and material feels neat and comfotable. Outer Cover Material: 190T Nylon, Waterproof and Breathable Fabrics; Lining Material: Polyester Pongee; Fill-Material: hollow cotton. WARM AND SKIN-FRIENDLY
- A THOUGHT OUT DESIGN. Drawstring allows you to tighten hood and KEEP YOU HEAD NICE AND WARM. The idea of having a zipper at the foot to allow more warm or cool air to enter or exit the bag in different times of the season
- LIGHTWEIGHT AND COMPACT DESIGN. Pack Weight is 3.3lbs, the compressed packing size is 7.9''-14.2'' and would take up less space. Convenient to carry along for any outdoor adventures, class camping trip, the aquarium, summer camp, couch surfing, jam bags, office crashing, and as an em3rgency blanket for vehicles
- SERVE ITS PURPOSE FOR YOU AND YOUR KIDS. Wipes clean easily. This camping bags also have a weather-resistant and waterproof design to keep you warm,prevent you from any dampness
- 40 degree F, cold weather 2 person double sleeping bag for outdoor camping and hiking
- Queen size olive-green double sleeping bag with a stuff sack. 2 person bag splits into two single bags for great versatility
- 100% polyester shell with a brushed tricot liner provides warmth and comfort on cold nights. Hollow fiber insulation offers good heat retention without excess weight
- Extra webbing along the zipper for smooth zipping and unzipping
- Dimensions: 87 x 59 inches; Fits most sleepers up to 6 feet 3 inches tall
- Versatile Child Mummy Sleeping Bag: Keep your kids warm and cozy for all kinds of indoor or outdoor activities. Perfect for camping, hiking, backpacking, scouting adventures, backyard campouts or even for a sleepover. Comes in 2 versions for using at different temperatures. Also comes in 2 bright colors, pink and blue
- Dimensions: It's size is 170cmx65cmx50cm/67''x25.5''x19.6''. The weight is 2.4lbs/1.1kg. Package size is 25cmx34cm/9.8''x13.3''. It fits temperature range 41-59°F/5-15°C
- Special features: The sleeping bag can also be folded and zipped to 140cm (4'6'') to keep a smaller child warm and cozy. The inside liner is soft and cozy and will not catch in the zipper
- Storage and Safety: 1 pull string instead of 2 to keep kids safe. Comes with covenient storage bag with adjustable carry straps. The Velcro snaps to cover the outside zipper
- GANURANTEEDG: REDCAMP offers a 365-day limited manufacturer warranty. If you're not satisfied for any reason, please contact us immediately and we will give you a reply within 24 hours
- the dark night: limited run dark shadow colorway, 20 degree temp rating, long size: fits sleepers up to 6ft 6in, fill weight 33oz, total weight 3lbs, stuff size (non-compressed) 16x9. 5 inches
- packability: integrated compression stuff sack, coupled with the premium packability of the synthetic fill allow the cosmic synthetic to reach minimalist standards of backpacking gear. trail weight varies by temp rating, from 2lbs 6oz to 4lbs 11oz.
- insulation: cirroloft synthetic insulation provides reliable warmth in cold and damp conditions, maintains loft for even coverage with no cold spots. temperature ratings from 0 degrees to 40 degrees, to ensure your time on the trail is comfortable.
- tailored fit: natural fit spacious footbox gives more room to wiggle your toes, and length options range to fit sleepers 5’8” to 6’6”. a handy stash pocket on the exterior of the bag for your overnight goodies and essentials in the tent.
- kelty craftmanship: kelty is synonymous with quality in the outdoor community. kelty gear is built for play, and built to last. the cosmic synthetic bag is ready to be put through the ringer on the trail, campground, and everywhere in between.
- KEEPS YOU COZY: Stay warm in temperatures as low as 20°F
- LIGHTWEIGHT: Hollow polyester insulation for better heat retention with less weight
- PREVENTS HEAT LOSS: A draft tube along the zipper keeps body heat from escaping
- BUILT TO LAST: Durable construction keeps insulation from shifting
- DIMENSIONS: 75 x 33 inch. Fiberlock Construction prevents insulation from shifting, extending life of your sleeping bag
- Zip two together for double the room
- 5-YEAR LIMITED WARRANTY
- Hood and Drawstring closure and barrel lock
- 2 Bags can be zipped together
- Thermal Collar
- 86 inches long x 34 inches wide
- Lightweight adult sleeping bag for camping in mild temperatures as low as 40°F
- Big and tall design can accommodate most people up to 6 feet 4 inches tall
- Brushed polyester cover and tricot fiber blend liner provide softness and breathability
- ZipPlow system plows away fabric to prevent snagging during zipping
- Roll Control design and Quick Cord system for easy rolling and securing
- Zip two together for double the room
- ✅ BEST YEAR ROUND SLEEPING BAG - Perfect for spring, summer, fall, and cool weather, with a rated temperature from 40°F to 77°F (optimal comfort temperature 62°F to 75°F). Keep yourself cosy, warm and safe. The ultra-strong, waterproof outer protective shell is made from our unique waterproof hex-tech design, double-layered with S-shape stitching, and 3D inner synthetic fiber fill for optimal warmth and insulation to protect you from the elements.
- ✅ CAMP IN COMFORT FOR ALL AGES - Bring the comfort of your own bed to the great outdoors. Our camping sleeping bags are engineered to guarantee a good night's sleep after a hard day of activities. No matter how tough the terrain or long the day, sleep well with MalloMe. And with vibrant colors loved by both boys and girls, they're great for kids too!
- ✅ ULTRALIGHT FOR BACKPACKING - A must have for hiking, backpacking, and camping, the perfect balance of performance and lightweight materials for every adventure. Each sleeping bag comes with a compression sack with straps, which makes it super convenient to store and easy to carry.
- ✅ EASY TO CLEAN - Our waterproof outer shell is easily wiped clean with a damp cloth. In case of heavy soilage the sleeping bag is designed for machine washing as well, ensuring easy maintenance and longevity.
- ✅ EXCELLENT DESIGN - Enjoy high-quality double-sided zippers that are snag-free and super satisfying to use. Tug those drawstrings in the headrest to bring the bag a little closer to your head for extra warmth in colder weather. While you’re there, pat that extra velcro securing strap too - it’ll keep you nice and snug with no unwanted zipper movement. Great sleeping bags for adults and kids in single and 2 person double sizes.
- INSULATED BODY: Coletherm MAX Insulation provides superior heat retention in temperatures as low as 20°F, semi-sculpted hood helps lock in heat
- FOOT VENTILATION: J-zipper lets you air out footbox on warmer nights
- COMPRESSIBLE STUFF SACK: Makes it easy to quickly pack up and store sleeping bag
- HEAT RETENTION: Thermolock draft tube prevents heat loss through the zipper
- EASY ZIP: ZipPlow patented zipper design prevents snags so bag is easy to open and close
- COMFORTABLE, DURABLE, SKIN FRIENDLY– 100% polyester lining is skin-friendly & comfortable. High quality 290T polyester makes it durability. You will be comfortable no matter how hard and rough the ground is.
- GREAT FOR ALL SEASONS – Keep you warm and safe even in near-freezing temperatures. waterproof, double-layer technology keep you warm in wet conditions and prevent you from getting damp.
- SPECIL DESIGN– Single size: 33 by 86.6 inches (W x D), weight: around 4 pounds. Zip two together for one large size, which can be used for two persons. Couples and friends can relax and sleep sweetly after kinds of sports. Can be fully opened to be a blanket for picnic or play.
- EASY TO CARRY AND CLEAN, LIGHTWEIGHT – Wiped easily by hand and allow to machine wash, versatile and convenient to clean. Equiped with a compression sack, straps, super convenient to storage and easy to carry. Roll control design makes folding quick and easy.
- Adult sleeping bag for camping in temperatures as low as 30°F
- Accommodates most campers up to 5 feet 11 inches tall
- Polyester cover and tricot fiber blend liner provide warmth and softness
- ZipPlow system plows fabric away from teeth to prevent snagging while zipping and unzipping
- Roll Control fasteners and a patented no-tie closure allow for easy one-person packing
- Zip two together for double the room
- Zip two together for double the room
- KEEPS YOU WARM: Stay warm in temperatures as low as 40°F
- COMPACT: Coletherm Max premium and lightweight fill provides better heat retention with less weight, allows bag to pack into compressible stuff sack with side straps for cinching; packs smaller than traditional Coleman bags
- PREVENTS HEAT LOSS: Thermolock draft tube prevents heat loss through the zipper
- NO-SNAG ZIPPER: ZipPlow patented zipper for snag-free opening and closing
- COMFORT CUFF: Patented design provides soft protection and comfort around face
- Zip two together for double the room
- COMFORT LEVEL: This sleeping bag is just right for cozying up in temperatures between 40°F and 60°F.
- HEAT RETENTION: This sleeping bag's hooded feature prevents heat from escaping, so you can sleep soundly and stay nice and warm all night long.
- FRUSTRATION FREE: No more snagged zippers! The triple-needle stitching on the lining near the zipper means you can zip and unzip this sleeping bag with ease and without any frustrating snags.
- LINER INTEGRATION: Customize your sleeping experience with the option to add a CORE liner, held securely in place with the interior loops - perfect for those who like to fine-tune their comfort level.
- SLEEP PAD INTEGRATION: Say goodbye to slipping and sliding around in your sleeping bag - this one comes with built-in sleep pad integration that keeps it securely in place throughout the night.
- MACHINE WASHABLE: This sleeping bag's plush hollow core fiber fill is machine washable, making clean up easy peasy!
- 3M Thinsulate Insulation Filling, warm yet lightweight, powerful yet thin. It helps trap body heat, while allowing moisture to escape; Featherless, ECO-FRIDENDLY, a kinder alternative to feathers; Water Resistant, 100% Polyester, synthetic fibers absorb less than 1% of their weight in water; 20D nylon fabric, soft, skin-friendly, ultralight, durable, and windproof
- ULTRALIGHT and COMPACT, only 2.4 lbs, packed size 10.6” × 7.9”, stuff sack included, easily fit in any backpack. Every ounce matter for backpackers, unlike other heavy bulky ones, this light 3M sleeping bag will provide you a great backpacking trip. USED FOR 3 SEASONS, designed for 32~41℉/ 0~5℃; Perfect for various outdoor activities, such as backpacking, camping, travelling, hiking, adventure, mountaineering, etc. It is also a great choice for hotel use.
- Unpacked size 82” × 32.6”, can fit most people up to 6’10”; Thermal enhancing, Double-layer construction to eliminate cold spots; Cinchable Draft Collar and Smooth-Curved Baffles to prevent heat loss; Sleeve on the top to hold your pillow in place; Two Way Anti-Snag YKK Zippers, easy to climb in and out; Velcro to avoid zipper slippery; Internal pocket to hold your phone and wallet; Anatomically Designed 3D Footbox gives your feet a rest after an epic day on the mountain.
- MACHINE WASHABLE. Spot-clean as needed with a damp sponge. Machine-wash only when necessary in a large capacity, front-loading washing machine. Select cold water and a delicate cycle with two rinses and an additional spin cycle.
- Lifetime warranty: We stand behind our products and offer a limited lifetime warranty against manufacturer defects.
How to choose a good 40 degree sleeping bags
Does the idea of finding a fantastic 40 degree sleeping bags 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 40 degree sleeping bags. 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 40 degree sleeping bags 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 40 degree sleeping bags 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 40 degree sleeping bags 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 40 degree sleeping bags 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 40 degree sleeping bags 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 40 degree sleeping bags, 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 40 degree sleeping bags.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 40 degree sleeping bags 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 40 degree sleeping bags. 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 40 degree sleeping bags 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 40 degree sleeping bags.
