Best 40 Degree Cotton Flannel Sleeping Bags


Our review process

We've taken a look at over 800 sleeping bags, including plenty of different 40 degree cotton flannel sleeping bags. We used our leading machine learning algorithm to score each individual sleeping bag based on several data entries. These features range from the temperature rating and the number of seasons to type and weight. The following guide will talk about 40 degree cotton flannel sleeping bags in particular, of which we found 3. We hope that this guide will help you choose the best one for you.

If you are planning a trip and looking for a new 40 degree cotton flannel sleeping bag, you're in the right place. These sleeping bags should keep you comfortable down to 40°F. They open completely, allowing you to unzip them for ventilation on warm nights. 40 degree sleeping bags are generally cheaper than sub-zero degree bags, making them ideal if you're shopping on a budget. They are great for warm weather trips, so they help vent heat, keeping you cool if a hot front comes through. These sleeping bags are typically lighter, so they might not provide the highest degree of insulation, but they make up for it in weight.

Cotton flannel sleeping bags are designed with durable materials to withstand wear and tear. They are very comfy, so you can get a good night's sleep after a long day in the outdoors. They are naturally hypoallergenic, so they are ideal for those with allergy sensitivities. Designed for warmth, cotton flannel sleeping bags will keep you snug and cozy.

Our Top Ranking Sleeping Bags:
Product NameBrandShapeSize
Best Overall Score
1
An image of Coleman Green Valley 40 Degree Cotton Flannel Sleeping Bag
Coleman Green Valley 40 Degree Cotton Flannel Sleeping Bag
Coleman
rectangle
single
Runner Up
2
An image of Coleman Hampton Double 205140 40 Degree Cotton Flannel Sleeping Bag
Coleman Hampton Double 205140 40 Degree Cotton Flannel Sleeping Bag
Coleman
rectangle
double
For Cold Weather
3
An image of Coleman 40 Degree Cotton Flannel Sleeping Bag
Coleman 40 Degree Cotton Flannel Sleeping Bag
Coleman
rectangle
single
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Coleman
Shape
rectangle
Size
single
Customer Rating
Brand
Coleman
Shape
rectangle
Size
double
Customer Rating
Brand
Coleman
Shape
rectangle
Size
single
Best Overall Score
An image of Coleman Green Valley 40 Degree Cotton Flannel Sleeping Bag

Looking for a great camping sleeping bag? We can tell you about the Coleman Green Valley 40 Degree Cotton Flannel Rectangular Sleeping Bag. This sleeping bag has a rectangular shape, which is great for those who like room to stretch out. It has a polyester exterior and a cotton flannel lining, which is perfect for colder climates as it is highly insulated. Featuring ComfortSmart technology, it includes multiple comfort and convenience features such as zipper technology and added cushioning around your head. This sleeping bag can withstand 40°F temperatures, keeping you warm on chilly summer nights. It is equipped with a zipper guard, preventing the material from snagging when opening and closing the zipper. Ideal for camping, it gives you the necessary protection to comfortably sleep outdoors after the temperatures drop at night. It has a roll control tab and a quick cord, so you can easily pack up your bag without the help of someone else.

    Pros
    • Quick cord for quick one-person packing
    • Zipper guard keeps the fabric from tearing
    • Cotton flannel lining allows for airflow
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are bulkier than hiking bags
    • Polyester shell is not great for extreme weather camping
Runner Up
An image of Coleman Hampton Double 205140 40 Degree Cotton Flannel Sleeping Bag

Get a good night's sleep while using the Coleman Hampton Double 40 Degree Cotton Flannel Rectangular Sleeping Bag. This Coleman sleeping bag has a rectangular shape, allowing you to comfortably sleep on your side, back, or stomach without feeling restricted. It features a cotton flannel lining and has a cotton shell, so you will not overheat, as it's very strong, highly porous, and doesn't absorb sunlight. Made in a double size, it will sleep two campers, keeping you warm by sharing body heat. This Coleman sleeping bag is ideal for temperatures around 40°F, keeping you warm on colder summer nights. Suitable for 3 seasons, it is best suited for summer, spring and fall trips. It is perfect for camping, giving you the necessary protection to comfortably sleep outdoors after the temperatures drop at night.

    Pros
    • Cotton flannel lining allows for increased airflow
    • Cotton exterior doesn't absorb heat
    • Rectangular shape is built with extra space
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are bulkier than backpacking bags
    • Cotton shell is heavy
For Cold Weather
An image of Coleman 40 Degree Cotton Flannel Sleeping Bag

Use the Coleman 40 Degree Cotton Flannel Rectangular Sleeping Bag to stay warm in the outdoors. This Coleman sleeping bag features a polyester shell and a cotton flannel lining, which has moisture wicking properties, drawing wetness away from the body. It has a rectangular shape, which is symmetrical, so it's easy to pack up and store the sleeping bag. This sleeping bag can withstand 40°F temperatures, keeping you warm on colder summer nights.

    Pros
    • Cotton flannel lining allows for increased air circulation
    • Polyester shell resists UV rays
    • Rectangular shape is easy to pack up and store
    Cons
    • Rectangular shape is not very insulated
    • Polyester shell is not so durable
How to Pick Out Your New 40 Degree Cotton Flannel Sleeping Bag: Some Factors to Keep In Mind:
Choosing a Size for 40 Degree Cotton Flannel Sleeping Bags
Double Sleeping Bags

If you're looking for a 40 degree cotton flannel sleeping bag in double, then we are happy to recommend this highly ranked sleeping bag. Double sleeping bags have a design that is great for two people, which makes them great for winter getaways. They are good for car camping, allowing you to sleep comfortably next to your camping partner in a snug and cozy space. Something to consider is that they take up a lot of space, so they aren't recommended for backpacking pursuits.

Single Sleeping Bags

If you've been trying to find a compact and fitted 40 degree cotton flannel sleeping bag, then you should keep reading below to learn more about them. These single sleeping bags have enough space for one, fitting more snug and tight for excellent insulation. They weigh less than double sleeping bags, so they are more practical for taking on tough trails. They provide a compact packing solution, making them easy to roll up and throw in your bag. With this additional information about single size sleeping bags, check out this great 40 degree cotton flannel sleeping bag that we picked.