To help you find the best 40 degree sleeping bag for you, we’ve rounded up the top products on the market according to ratings and reviews from real customers on Amazon. These products not only have near-perfect ratings, but they also have countless glowing reviews describing why they’re so great.
Read on to learn more about our favorite 40 degree sleeping bags.
Our Editor’s Best 40 Degree Sleeping Bag Reviews
Coleman Sun Ridge 40°F Warm Weather Sleeping Bag, Blue
Key Features:
-
This sleeping bag is intended for camping and hiking. It is rated for 40 degrees, meaning it should provide warmth in temperatures down to 40 degrees Fahrenheit. The bag is made from a waterproof and breathable fabric, and is filled with synthetic insulation. It has a zip-up closure and a drawstring hood.
High Peak Outdoors Cascade -40-Degree Sleeping Bag
Key Features:
-
The sleeping bag has a hood and drawstring closure to keep you warm, as well as a barrel lock to keep it in place.
-
This 40 degree sleeping bag is great for two people because it can zip together with another bag. This is perfect for staying warm in colder weather.
- traps heat around your neck
The thermal collar on this sleeping bag traps heat around your neck, keeping you warm in temperatures as low as 40 degrees. The bag is also lightweight and can be easily packed for camping trips or hikes.
-
This sleeping bag is 86 inches long and 34 inches wide. It is made for someone who is 6 feet tall and has a shoulder width of 34 inches.
Kelty Cosmic Synthetic Fill 40 Degree Backpacking Sleeping Bag with Compression Straps, Compact and Lightweight, 2022 (Regular)
Key Features:
-
This sleeping bag is rated for 40 degree temperatures and is regular size, fitting sleepers up to 6 feet tall. It has a fill weight of 24 ounces and a total weight of 2 pounds, 6 ounces. The stuff size (non-compressed) is 15×8 inches and the color is Duffel Bag Green/Smoke.
-
The Cosmic synthetic sleeping bag is a 40 degree bag that is designed for backpacking. It has an integrated compression stuff sack and is made with a synthetic fill that allows it to be packed down small. The trail weight of the bag varies depending on the temperature rating, from 2lbs 6oz to 4lbs 11oz.
-
This 40 degree sleeping bag is perfect for someone who wants to be comfortable in cold and damp conditions. The cirroloft synthetic insulation will provide reliable warmth and the temperature ratings from 0 degrees to 40 degrees will ensure your time on the trail is comfortable.
-
The 40 degree sleeping bag has a tailored fit and a spacious footbox to allow more room for your toes. It also has a stash pocket on the exterior of the bag for your overnight goodies and essentials in the tent.
-
The Cosmic Synthetic sleeping bag is a high-quality product designed for durability and comfort. It has a 40 degree temperature rating, making it ideal for use in a variety of settings. The bag is made from synthetic materials, and features a Kelty-crafted design that is built to last.
REDCAMP Kids Mummy Sleeping Bag for Camping Zipped Small, 40 Degree 3 Season Cold Weather Fit Boys,Girls & Teens (Pink with 2.4lbs Filling)
Key Features:
-
This sleeping bag is versatile and perfect for all kinds of indoor or outdoor activities for your kids. They will stay warm and cozy in this mummy sleeping bag. It comes in 2 versions for using at different temperatures and 2 bright colors.
-
This is a 40 degree sleeping bag that is170cmx65cmx50cm/67”x25.5”x19.6”. It weighs 2.4lbs/1.1kg and its package size is 25cmx34cm/9.8”x13.3”. It has a temperature range of 41-59°F/5-15°C.
-
This is a 40 degree sleeping bag that can be zipped up to 140cm to keep a smaller child warm. The inside liner is soft and cozy to prevent the child from getting caught in the zipper.
-
This is a storage and safety sleeping bag for kids. It has a pull string to keep them safe and comes with a convenient storage bag and adjustable carry straps. The Velcro snaps to cover the outside zipper.
-
This 40 degree sleeping bag is made by REDCAMP and offers a 365-day limited manufacturer warranty. This means that if you are not satisfied with the product for any reason, you can contact the company and they will give you a reply within 24 hours.
Kelty Tuck Synthetic Mummy Sleeping Bag (2020 Update) – 40 Degree Long
Key Features:
-
The bag is designed for someone who moves around a lot in their sleep, and it is also comfortable for people who flip, turn, or toss in their sleep.
-
The bag is made to be lightweight and compressible, while still providing warmth in cold and damp conditions.
-
The Comfort Tuck Zipper is a 40 degree sleeping bag that features a J shape zipper around the footbox of the bag, giving you the option of sticking one or both feet out during the night to regulate temperature.
-
The sleeping bag is designed to provide extra space for the shopper, with a spacious footbox and an additional 1.5 inches of space from head to toe. The unique oval/mummy design provides a comfortable and natural fit for the shopper.
-
This is a 40 degree sleeping bag that is long in size. It fits sleepers that are up to 6 feet 6 inches tall. The fill weight is 22 ounces and the total weight is 2 pounds 10 ounces. The stuff size is 15×8 inches. The color of the sleeping bag is grape leaf.
Coleman Sleeping Bag | 40°F Big and Tall Sleeping Bag | Biscayne Sleeping Bag, Mint
Key Features:
-
The 40 degree sleeping bag is great for sleepers who need a little extra warmth in their bag. The bag is rated to keep you warm in temperatures as low as 40 degrees Fahrenheit, so you’ll be comfortable even on chilly nights.
-
This sleeping bag is designed for people who are up to 6 feet 4 inches tall. It measures 81 x 39 inches.
-
This 40 degree sleeping bag is great for prevent heat loss. A draft tube along the zipper keeps body heat from escaping, so you will stay nice and warm all night long.
-
This is a 40 degree sleeping bag that is easy to pack. The fasteners lock the bag in place for easy rolling. The no-tie cords keep the bag cinched tight. The stuff sack is included.
-
The 40 degree sleeping bag has a no-snag 2-way zipper that is snag-free and easy to zip and unzip. The bottom can be unzipped for more ventilation if it gets warm.
-
The 40 degree sleeping bag is a great option for those who need a little extra room. You can zip two bags together for extra room, making it a great choice for couples or families.
-
The 40 degree sleeping bag is machine washable for easy cleaning.
-
This 40 degree sleeping bag comes with a 5-year limited warranty, ensuring that it will last for years to come.
KingCamp Sleeping Bags for Adults Ultralight Backpacking Sleeping Bag for Hiking Cold Weather 40 Degree Sleeping Bag for Big and Tall Adults Lightweight Compact Camping Gear Equipment
Key Features:
-
This sleeping bag is extra large, measuring 90.5″ x 36.2″. It is designed to be comfortable for adults, with a square foot design that gives added foot and leg room. The sleeping bag is rated for 40 degrees, making it ideal for cooler weather camping.
-
This sleeping bag is perfect for camping in the summer, spring, and autumn. It is made from super soft polyester and has a bottom zipper to keep you cool in the hot weather. The temperature range for this sleeping bag is Comfort : 43℉; Limit : 36℉,Extreme:9 ℉.
-
This sleeping bag is soft, comfortable, and warm, perfect for camping in cold weather. It is made from polyester and is plus size, making it extra roomy and comfortable.
-
This sleeping bag is designed to keep you warm in cold weather. It is filled with premium hollow fiber filling and is made from water-resistant 210T polyester. It is also tall, which makes it ideal for adults.
-
This sleeping bag is lightweight and easy to carry, making it a great option for camping trips. It comes with a travel-friendly carry bag, making it easy to store and transport.
Coleman Autumn Glen 40 Degree Sleeping Bag
Key Features:
-
The 40 degree sleeping bag has a “Zip Plow” zipper for snag-free opening and closing.
-
This sleeping bag is made with Colet herm Hollow polyester insulation, which provides better heat retention with less weight. It is rated for 40 degrees, making it ideal for colder weather camping and backpacking trips.
-
The 40 degree sleeping bag has a comfort cuff design that surrounds your face in softness. This feature helps to keep you warm and comfortable while you sleep.
-
This is a 40 degree sleeping bag that can zip together with another sleeping bag to create more room.
-
The 5-Year limited warranty on this 40 degree sleeping bag means that the manufacturer will repair or replace any defects in materials or workmanship for up to 5 years after purchase.
ALPS Mountaineering Fusion +40 Degree Sleeping Bag
Key Features:
-
The 40 degree sleeping bag has an outer shell made of highly durable and extremely soft 380T 20D nylon fabric, giving you long-lasting comfort.
-
The bag has a hydrophobic-down filled top that can be used as an extra layer of warmth or folded open for more freedom.
-
This is a 40 degree sleeping bag that is filled with 2.5 denier TechLoft Micro insulation. It will keep you plenty warm.
-
This sleeping bag is designed for cold weather, as it has a hood that can be adjusted to trap extra heat inside. It is made from a durable fabric that will keep you warm and comfortable all night long.
-
The 40 degree sleeping bag is a great option for those who are looking for a light and compact bag. It is made with high quality materials and construction, and includes a compression stuff sack for easy packing. This bag is perfect for use in warmer weather conditions, and will keep you comfortable and warm all night long.
Kelty Cosmic 40 Down Sleeping Bag – 550 Fill Down Backpacking Sleeping Bag, 2021, Regular
Key Features:
-
The sleeping bag has a trapezoidal baffle construction which improves the bag’s ability to retain heat. The sleeping bag is also made with a fan favorite and campsite staple fabric which has improved thermal efficiency.
-
The sleeping bag is made with down fill, which is light and compressible. It is also treated with Kelty DriDown, which makes it easy to pack, use, dry, and keep warm.
-
This sleeping bag is designed for budget-conscious backpackers who still want a reliable and comfortable sleeping bag. It is priced lower for 2021 and has a reputation for being a do-it-all sleeping bag. First time campers and experienced campers alike will enjoy using this sleeping bag.
-
This is a mummy-style sleeping bag with two zippers that can be used to regulate temperature. It has an internal pocket for storing small items.
-
The Kelty sleeping bag is a high-quality, durable bag that is perfect for camping or other outdoor activities. It is made with good craftsmanship and is designed to be comfortable and warm in all weather conditions.
40 Degree Sleeping Bag FAQs
1. What is a 40 degree sleeping bag?
A degree sleeping bag is a sleeping bag that is specifically designed to keep the user warm in temperatures as low as -20 degrees Fahrenheit.
2. How does a 40 degree sleeping bag work?
A degree sleeping bag works by trapping heat from your body and using it to keep you warm. The bag is made of materials that are good at insulating, like down or synthetic fill, and has a tight seal around the edges so that heat doesn’t escape.
3. What are the benefits of a 40 degree sleeping bag?
Some benefits of a degree sleeping bag are that they are typically very lightweight and compressible, making them easy to pack and carry. They also offer a great deal of insulation, keeping you warm even in cold weather.
4. What are the drawbacks of a 40 degree sleeping bag?
One potential drawback of a degree sleeping bag is that it may not be suitable for extremely cold weather conditions. Additionally, degree sleeping bags can be more expensive than other types of sleeping bags.
5. How do I choose a 40 degree sleeping bag?
There is no definitive answer, as the best degree sleeping bag for you will depend on a variety of factors such as the climate you plan to use it in, your own body temperature, and how much you are willing to spend. However, some general tips that may help you choose the right degree sleeping bag for your needs include:- Checking the temperature rating of the sleeping bag. This will give you a good idea of the minimum temperature that the bag is designed for.- Considering your own body temperature. If you tend to get cold easily, you may want to choose a sleeping bag with a lower temperature rating.- Checking the construction of the sleeping bag. Some materials will keep you warmer than others.- Considering how much you are willing to spend. Sleeping bags can range in price from around $50 to $500 or more.
Conclusion
There are many great 40 degree sleeping bag on the market. Our list of the best 40 degree sleeping bag will help you save time researching and choosing the best one for you.