Top Flannel Rectangular Sleeping Bags


Our review process

We've taken a look at hundreds of sleeping bags, including many different flannel rectangular sleeping bags. We used our advanced machine learning engine to rank 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 flannel rectangular sleeping bags in particular, of which we found 8. We hope that this guide will help you pick the best one for you.

Our review will highlight the key specs to consider when buying a flannel rectangular sleeping bag. Flannel sleeping bags are very comfy, so you'll wake up feeling well rested. They are designed for warmth, so cold temperatures won't keep you from an epic outdoor adventure. These sleeping bags are moisture wicking, keeping you dry on humid nights.

Rectangular sleeping bags are roomy and spacious, allowing you to stretch out with a generous amount of space. With double zippers, they are perfect for a cozy night of sleeping for two as you can attach two sleeping bags to each other. They accommodate varying sleeping positions, making them ideal for people who are particular about sleeping in certain positions such as their sides or stomach. However, they don't trap and heat the air around your body as well as other designs do, creating extra space inside which can weaken the bag's ability to keep you warm. On top of that, rectangular sleeping bags are quite heavy, so they aren't good for when weight is the top priority.

Our Top Ranking Sleeping Bags:
Product NameBrandWeightTemperature RatingSize
Best Overall Score
1
An image of Slumberjack Country Squire 51731612LR 20 Degree Flannel Sleeping Bag
Slumberjack Country Squire 51731612LR 20 Degree Flannel Sleeping Bag
Slumberjack
12.9
20 degree
single
Runner Up
2
An image of Coleman Big Game 2000030093 Men's Sub Zero Degree Flannel Sleeping Bag
Coleman Big Game 2000030093 Men's Sub Zero Degree Flannel Sleeping Bag
Coleman
2.2
sub zero degree
single
For Cold Weather
3
An image of Slumberjack Big Timber Pro 51730716LR 20 Degree Flannel Sleeping Bag
Slumberjack Big Timber Pro 51730716LR 20 Degree Flannel Sleeping Bag
Slumberjack
8.5
20 degree
single
Best Affordable Option
4
An image of Coleman Oak Point Men's 30 Degree Flannel Sleeping Bag
Coleman Oak Point Men's 30 Degree Flannel Sleeping Bag
Coleman
30 degree
single
5
An image of Slumberjack Big Timber Pro 0 Degree Flannel Sleeping Bag
Slumberjack Big Timber Pro 0 Degree Flannel Sleeping Bag
Slumberjack
9.1
0 degree
single
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Slumberjack
Weight
12.9
Temperature Rating
20 degree
Size
single
Customer Rating
Brand
Coleman
Weight
2.2
Temperature Rating
sub zero degree
Size
single
Customer Rating
Brand
Slumberjack
Weight
8.5
Temperature Rating
20 degree
Size
single
Customer Rating
Brand
Coleman
Weight
Temperature Rating
30 degree
Size
single
Customer Rating
Brand
Slumberjack
Weight
9.1
Temperature Rating
0 degree
Size
single
Best Overall Score
An image of Slumberjack Country Squire 51731612LR 20 Degree Flannel Sleeping Bag

Use the Slumberjack Country Squire 20 Degree Flannel Rectangular Sleeping Bag to stay warm in the outdoors. This sleeping bag has a rectangular shape, which is great for those who like a bit of extra room. It features a polyester shell, and a flannel lining, which has moisture wicking capabilities, drawing dampness away from the body. This Slumberjack sleeping bag can withstand 20°F temperatures, providing you with the warmth you need for temperatures above freezing. It features Slumberloft™ synthetic insulation, which utilizes polyester fibers to create a high level of insulation. This Slumberjack sleeping bag detaches via zippers, so you can easily transform your double bag into two individual ones. Perfect for backpacking, it won't weigh you down while you're taking on the outdoors.

    Pros
    • Flannel lining locks in warmth
    • Polyester exterior deflects UV rays
    • Rectangular shape is easy to roll up and store
    Cons
    • Flannel can shrink
    • Rectangular shape is not very insulated
    • Polyester shell is not so durable
Runner Up
An image of Coleman Big Game 2000030093 Men's Sub Zero Degree Flannel Sleeping Bag

You'll want to learn all about the Coleman Big Game Men's Sub Zero Degree Flannel Rectangular Sleeping Bag to discover what sets it apart from all the other sleeping bags on the market. This sleeping bag has a rectangular shape, which is spacious and offers more freedom of movement. With a lightweight build, it won't be a burden to carry. It has a flannel lining, which combines wool and other synthetic fibers, making it very cozy and soft on the skin.

This Coleman sleeping bag is equipped with a zipper guard, preventing the fabric from snagging when opening and closing the zipper. It detaches via zippers and features an exterior pocket, so you can stash your important items, like your flashlight. This sleeping bag features a plush bottom, so you won't feel the hard ground beneath you. With a sub-zero degree temperature rating, it can seal in warmth for sleeping out in the extreme cold. It comes with a pillow and is easy to pack, so it will neatly roll up and fit into your bag. This sleeping bag uses Thermolock technology, reducing heat loss through the opening since it has a layer of insulation along the zipper.

    Pros
    • Features a plush bottom
    • Easy to pack sleeping bags roll up compactly
    • Zipper guard keeps the fabric from catching
    Cons
    • Flannel is not suitable for warm sleepers
    • Rectangular shape is not very insulated
For Cold Weather
An image of Slumberjack Big Timber Pro 51730716LR 20 Degree Flannel Sleeping Bag

Use the Slumberjack Big Timber Pro 20 Degree Flannel Rectangular Sleeping Bag to stay warm in the outdoors. This sleeping bag has a polyester exterior and a flannel lining, which increases the warmth and equips you for colder weather. It has a rectangular shape, which is built with extra space, so you can move comfortably in your sleep. Perfect for camping, it gives you insulation to comfortably sleep outdoors after the temperatures drop at night.

This Slumberjack sleeping bag detaches via zippers, so you can easily transform your double bag into two individual ones. It is equipped with a zipper guard, preventing the fabric from getting caught in the zipper. This Slumberjack sleeping bag is suitable for temperatures around 20°F, providing you with the warmth you need when temperatures are above freezing. It has Slumberloft™ synthetic insulation, which will keep you warm with the use of polyester fibers.

    Pros
    • Zipper guard prevents the material from tearing
    • Flannel lining locks in heat
    • Polyester shell resists UV rays
    Cons
    • Flannel tends to shrink
    • Rectangular shape is heavier than other shapes
    • Camping sleeping bags are heavier than backpacking bags
Best Affordable Option
An image of Coleman Oak Point Men's 30 Degree Flannel Sleeping Bag

If affordability is what you're after, you should consider taking a look at the Coleman Oak Point Men's 30 Degree Flannel Rectangular Sleeping Bag. This sleeping bag has a rectangular shape, which is perfect for those who like room to stretch out. It features a 30°F temperature rating, which is designed for retaining warmth, keeping you well-insulated in moderately cold conditions. It has a polyester exterior and a flannel lining, which enhances the warmth and prepares you for colder temperatures. This sleeping bag has Coletherm® insulation, which maximizes thermal efficiency by using hollow fibers to create air pockets, allowing for greater loft. It features a zipper guard, preventing the material from snagging when opening and closing the zipper. It is perfect for camping, offering cozy warmth without adding a lot of weight. This sleeping bag can be washed, has roll control, and is equipped with quick cord technology for convenient one-person packing.

    Pros
    • Can be washed
    • Roll control tab keeps the sleeping bag in place
    • Zipper guard prevents the fabric from catching
    Cons
    • Flannel can shrink
    • Rectangular shape is heavier than other shapes
    • Camping sleeping bags are not suitable for backpacking
Additional Picks
An image of Slumberjack Big Timber Pro 0 Degree Flannel Sleeping Bag

Choose the Slumberjack Big Timber Pro 0 Degree Flannel Rectangular Sleeping Bag to stay warm in the outdoors. This sleeping bag has a rectangular shape, which is built with extra space, so you can comfortably move around in a variety of sleeping positions. It features a poly-canvas shell and a flannel lining, which allows for airflow and has wicking properties that draws moisture away from the body. This sleeping bag has Slumberloft™ synthetic insulation, which uses polyester fibers in its core to create a high level of insulation. With a 0°F temperature rating, it can keep out icy drafts from the inside of your sleeping bag. It detaches via zippers and has a zipper guard, preventing the material from snagging in the zipper. This Slumberjack sleeping bag works well for camping trips, offering cozy warmth and good compressibility.

    Pros
    • Zipper guard prevents the material from catching
    • Flannel lining draws moisture away from the body
    • Rectangular shape is built with extra space
    Cons
    • Flannel tends to shrink
    • Rectangular shape is not the warmest option
    • Camping sleeping bags are not suitable for hiking
An image of Slumberjack Big Timber Pro Flannel Sleeping Bag

With the Slumberjack Big Timber Pro Flannel Rectangular Sleeping Bag, you can experience an incredible night's sleep while on your weekend getaway. This sleeping bag features a polyester shell, and a flannel lining, which increases the warmth and equips you for colder climates. It has a rectangular shape, which offers you room to move around in your sleep as it is not cut close to the body. It is perfect for camping, giving you the necessary protection to comfortably sleep outdoors after the temperatures drop at night. This sleeping bag detaches via zippers, so you can easily transform your double bag into two individual ones. It has Slumberloft™ synthetic insulation, which uses polyester fibers in its core to keep you warm and insulated in your sleeping bag.

    Pros
    • Flannel lining draws wetness away from the body
    • Polyester exterior is durable and colorfast
    • Rectangular shape is built with extra space
    Cons
    • Flannel can shrink
    • Rectangular shape is not the warmest option
    • Camping sleeping bags are heavier than backpacking bags
An image of Browning Klondike 4893977 Sub Zero Degree Flannel Sleeping Bag

Before purchasing the Browning Klondike Sub Zero Degree Flannel Rectangular Sleeping Bag, it's important to learn more about its different features. This sleeping bag has a flannel lining, which is great for colder climates as it is highly insulated. It has a rectangular shape, which is symmetrical, so it's easy to roll up and store the sleeping bag. Designed for camping, it gives you insulation to comfortably sleep outdoors after the temperatures drop at night.

With a sub-zero degree temperature rating, this Browning sleeping bag can seal in warmth even on the most frigid nights. Made to be compact, it cuts down the volume your bag takes up in your pack. It uses Techloft silver insulation, so you will have increased insulation and comfort because of tiny, silicone-coated, micro-denier fibers. This sleeping bag is easy to carry, making it an excellent option when mobility and packing space are key factors for your trip.

    Pros
    • Designed to be compact, getting rid of the bulk
    • Flannel lining keeps in warmth
    • Rectangular shape is built with extra space
    Cons
    • Flannel is not good for warm sleepers
    • Rectangular shape is heavier than other shapes
    • Camping sleeping bags are not suitable for hiking
An image of Coleman Heritage 2000008710 Men's Flannel Sleeping Bag

Trying to find a great camping sleeping bag? You'll want to know all about the Coleman Heritage Men's Flannel Rectangular Sleeping Bag. This sleeping bag has a rectangular shape, which is perfect for those who like room to stretch out. It is designed with a flannel lining and it is made with a cotton exterior, so you will not overheat, as it's very strong, highly breathable, and doesn't absorb sunlight. Featuring Thermolock technology, this sleeping bag reduces heat loss through the zipper since it has an added layer of insulation along the opening.

This sleeping bag features a plush bottom, so you won't feel the hard ground beneath you. It is equipped with a zipper guard, preventing the material from getting caught in the zipper. It is lightweight and is designed for camping, giving you insulation to comfortably sleep outdoors after the temperatures drop at night. This sleeping bag has roll control and is easy to clean, so you won't have to send it to a professional to maintain its quality and warmth. It can be machine washed and has a quick cord, designed for convenient one-person packing.

    Pros
    • Machine washable
    • Features a plush bottom
    • Roll control tab keeps the sleeping bag in place
    Cons
    • Flannel can shrink
    • Rectangular shape is not the warmest option
    • Camping sleeping bags are more difficult to carry than backpacking bags
What Else to Look For When Buying Your Next Flannel Rectangular Sleeping Bag:
Differentiating Between Temperature Ratings of Flannel Rectangular Sleeping Bags
20 Degree Sleeping Bags

It's not easy deciding on the right temperature rating for your flannel rectangular sleeping bag. We're here to help you think about the perfect choice for your next outdoor excursion. 20 degree sleeping bags should keep you comfortable down to 20°F, although do keep in mind that this doesn't account for variables such as layering, what you're wearing, and various other factors. They are generally cheaper than sub-zero degree bags, so you can buy these without feeling worried about going above your budget. These sleeping bags have a tight fitted hood design, so your neck and head will be enveloped in warmth. Now that you know about 20 degree rating sleeping bags, check out this highly rated flannel rectangular sleeping bag.

30 Degree Sleeping Bags

Think that 30 degree sleeping bags are right for you? Then come check this flannel rectangular sleeping bag after you finish reading about them. 30 degree sleeping bags should keep you comfortable down to 30°F, although do keep in mind that this doesn't account for variables such as layering, what you're wearing, and various other factors. They are generally cheaper than sub-zero degree bags, so you can buy these without feeling worried about going above your budget. These 30 degree sleeping bags are perfect for almost every season, so they are one of the most practical options out there.

Sub Zero Degree Sleeping Bags

There are a few things to keep in mind when it comes to deciding on the right temperature rating for your flannel rectangular sleeping bag. We're here to help you think about the perfect choice for your next outdoor adventure. These sleeping bags are ideal for winter camping, so they make it really easy for a person to stay comfortable in freezing temperatures. They have a tight fitted hood design, so they aren't the best choice if you want a lot of free movement around the neck and head. With advanced technology like Thermotech insulation, they are engineered to keep you safe in the most extreme cold. Sub zero degree sleeping bags have a quick-drying technology, so moisture will not soak the fabric, maximizing thermal efficiency even when wet. Something to keep in mind is that they are generally expensive, so if you won't be using the bag that often, you might want to think about getting a more affordable one. If you are considering getting a sub zero degree rating flannel rectangular sleeping bag, you can see if you'd like to get this one. They come with an easy access design, so you don't have to struggle with the zipper while dealing with cold weather.