Top 40 Degree Barrel Sleeping Bags


Our review process

Our team has collected, researched, and analyzed information on plenty of various kinds of sleeping bags in order to show you our highest rated sleeping bags. We then further sub-categorized them and looked more specifically at 4 different 40 degree barrel sleeping bags. In our research, we took into consideration a variety of different key features among the 28,000 different data parameters and combined it with customer reviews to inform you of the top 40 degree barrel sleeping bags available. But don't just take our word for it, check out some of the pros and cons of some of the main specs.

We've taken a look at 40 degree barrel sleeping bags and want to let you in on a few things. These sleeping bags should keep you comfortable down to 40°F. They open completely, so they allow you to unzip them or to just use as a quilt on really warm nights. 40 degree sleeping bags are more affordable than sub-zero degree bags, making them suitable if you're shopping on a budget. They are great for warm weather trips, so you won't feel stuffy and uncomfortable if a hot front comes through. These sleeping bags are typically lighter, so they are more comfortable to carry long distances. Roomy and spacious, they also are optimal for those who like plenty of room to stretch out. They are a great in-between from the more fitted mummy shape and the roomier rectangular sleeping bags, providing better thermal efficiency than more spacious designs. Barrel sleeping bags accommodate varying sleeping positions, making them ideal for people who are particular about sleeping in certain positions such as their sides or stomach.

Our Top Ranking Sleeping Bags:
Product NameBrandDimensionsUserColorWeight
Best Overall Score
1
An image of Sea to Summit Ember I 073R-Parent Men's 40 Degree Nylon Sleeping Bag
Sea to Summit Ember I 073R-Parent Men's 40 Degree Nylon Sleeping Bag
Sea to Summit
5 ft. 10 in.
men
gray and yellow
Runner Up
2
An image of Big Agnes Buffalo Park Men's 40 Degree Sleeping Bag
Big Agnes Buffalo Park Men's 40 Degree Sleeping Bag
Big Agnes
men
1
For Cold Weather
3
An image of Kelty Coromell 40 Degree Sleeping Bag
Kelty Coromell 40 Degree Sleeping Bag
Kelty
6 ft.
blue
2
4
An image of Western Mountaineering MityLite Men's 40 Degree Down Sleeping Bag
Western Mountaineering MityLite Men's 40 Degree Down Sleeping Bag
Western Mountaineering
6 ft. 3 in.
men
moss green
1.1
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Sea to Summit
Dimensions
5 ft. 10 in.
User
men
Color
gray and yellow
Weight
Customer Rating
Brand
Big Agnes
Dimensions
User
men
Color
Weight
1
Customer Rating
Brand
Kelty
Dimensions
6 ft.
User
Color
blue
Weight
2
Customer Rating
Brand
Western Mountaineering
Dimensions
6 ft. 3 in.
User
men
Color
moss green
Weight
1.1
Best Overall Score
An image of Sea to Summit Ember I 073R-Parent Men's 40 Degree Nylon Sleeping Bag

With the Sea to Summit Ember I Men's 40 Degree Nylon Barrel Sleeping Bag, you can experience a great night's sleep while on your weekend getaway. This sleeping bag has a nylon lining and is made with a nylon ripstop shell, resisting typical wear and tear. It has a barrel shape, which is tapered from top to bottom to increase heat efficiency and save weight. It is lightweight and works well for hiking trips, so if weight is your priority this could be a great option. With a compressible design, it does not take up all the space in your bag so you will have enough room to bring along other equipment. This Sea to Summit sleeping bag is ideal for temperatures around 40°F, keeping you warm on chilly summer nights. It is easy to pack, so it can be effortlessly folded into a practical size to save space in your bag. It has a laundry bag and features a compression bag, which will make storing your sleeping bag hassle-free.

    Pros
    • Features a compressible design
    • Easy to pack sleeping bags roll up compactly
    • Lightweight build
    Cons
    • Nylon can fade easily
    • Barrel shaped sleeping bags can be hard to fit into a backpack
Runner Up
An image of Big Agnes Buffalo Park Men's 40 Degree Sleeping Bag

With an excellent user rating, the Big Agnes Buffalo Park Men's 40 Degree Barrel Sleeping Bag could be exactly what you need for your next outdoor adventure. This sleeping bag has a barrel shape, which is tapered from top to bottom, increasing warmth while still giving you a comfortable amount of room to move around. It has a 40°F temperature rating, which is great for warm weather nights. It features Thermolite Extra material, which is made up of hollow-core fibers that trap air, which keeps you warmer as your body heat stays inside the sleeping bag. This Big Agnes sleeping bag is made for camping, offering cozy warmth without adding a lot of weight.

    Pros
    • Barrel shape improves warmth
    • Single size sleeping bags are well insulated
    • Thermolite Extra material, which has excellent insulation
    Cons
    • Barrel shaped sleeping bags can let cool air in
    • Camping sleeping bags are not suitable for hiking
For Cold Weather
An image of Kelty Coromell 40 Degree Sleeping Bag

Use the Kelty Coromell 40 Degree Barrel Sleeping Bag to stay warm in the outdoors. This sleeping bag has a barrel shape, which is tapered, increasing warmth while still giving you a comfortable amount of room to move around. It is suitable for camping and is lightweight, making it great if your number one priority is low volume and weight. It features a polyester shell, which will deflect UV light, protecting you from damaging sunlight. This Kelty sleeping bag detaches via zippers, so you can split it into two separate sleeping bags. It can withstand 40°F temperatures, keeping you warm on chilly summer nights. This sleeping bag has a stuff sack, which takes up hardly any space and will make packing so much easier.

    Pros
    • Stuff sack will keep you organized
    • Lightweight build
    • Polyester shell resists UV rays
    Cons
    • Barrel shaped sleeping bags can be bulky
    • Camping sleeping bags are not suitable for hiking
    • Polyester shell is not great for extreme weather conditions
Additional Picks
An image of Western Mountaineering MityLite Men's 40 Degree Down Sleeping Bag

Get ready for your upcoming outdoor adventure with the Western Mountaineering MityLite Men's 40 Degree Down Barrel Sleeping Bag. This sleeping bag has a barrel shape, which is fitted by your feet, while still loosely cut around the body so you can comfortably move from your back to your side at night. It has a down lining and a nylon ripstop shell, which is naturally hypoallergenic, repelling dust and other allergens to keep you breathing clearly. With a lightweight build, it is great if you're planning on trekking or hiking long trails by foot.

This sleeping bag detaches via zippers, so you can transform it into two separate sleeping bags. It is made to be compact and has a compressible design, so you can fit it into your backpack and it will give you sufficient space to take along other essentials. It features a 40°F temperature rating, keeping you warm on colder summer nights. Great for summer, it is extremely thin and breathable since it does not need as much insulation as winter or 3 season sleeping bags. This sleeping bag is easy to carry, designed for convenient storage and transport.

    Pros
    • Made to be compact, getting rid of the bulk
    • Compresses easily
    • Lightweight build
    Cons
    • Down loses loft when wet
    • Barrel shaped sleeping bags can be hard to pack into a backpack
Additional Points to Keep in Mind When Deciding On Your 40 Degree Barrel Sleeping Bag:
Figure Out Which Liner Material to Pick for 40 Degree Barrel Sleeping Bags
Down Sleeping Bags

There is only one 40 degree barrel sleeping bag that has a down liner. Down sleeping bags are designed to be insulated, so they retain your body heat very well, keeping you warm regardless of the weather. They have an easily compressible design, so they don't require a substantial amount of storage space if you're only taking a small bag. Perfect for chilly nights in the woods, they will keep you snug and cozy. These sleeping bags are breathable, so heat is distributed evenly, making them great for unpredictable weather. They are very comfortable, ensuring your child sleeps soundly after a long day in the outdoors. Down sleeping bags are designed with durable materials, so they will not pill or tear with extended use. Now that you know more about down, choose the perfect one for you here.

Nylon Sleeping Bags

Looking for a long-lasting sleeping bag? A sleeping bag with a nylon liner may be the best solution. To help you in your decision, we recommend one of the great 40 degree barrel sleeping bags that come with a nylon liner. Nylon sleeping bags are easy to clean, so with just a damp cloth and a little soap you can keep them in great shape. They are very comfy, ensuring comfort and rest, no matter the surface underneath. They are designed with durable materials, withstanding extended use and staying in excellent condition. These sleeping bags are designed to be lightweight, so they are ideal for long-distance backpacking trips or other adventures where minimal weight and volume are a must. They dry quickly, reducing the overall amount of water trapped and absorbed by the material. Feel ready to decide on the right 40 degree barrel sleeping bag for you? You can get started here.