Best Rectangular Sleeping Bags for Cozy Camping

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If you’re in a hurry and want to find out what the best rectangular sleeping bag is, we recommend the Coleman Brazos sleeping bag.

Aside from finding the right tent, few things are more important than figuring out what kind of sleeping bag to use. Not only is it a much needed source of warmth, but it also acts as one of the few creature comforts you’ll have in the great outdoors. The best rectangular sleeping bags are what will most closely imitate your bed back home, making a soft and spacious place for you to rest during the night.

In this article we’ll be reviewing the following sleeping bags:

Rectangular vs Mummy

When it comes to choosing the proper sleeping bag, there are a number of factors to consider. What’s the material? How good is the insulation? Does it pack down well? These are all important, and should be given a great deal of thought. However, there is one factor that many people don’t consider as much.


It might feel like an insignificant feature that can be easily overlooked… But after you’ve spent a few nights in your tent, you’ll wish you would’ve put more thought into it. Sleeping bags can generally be broken down into 2 categories: rectangular and mummy.  Rectangular bags have a shape that stays true to their name, and are good for giving you a lot of room and comfort as your sleep. Mummy bags can also be comfortable, but since they’re designed to wrap close to your body, it’s difficult to stretch out when you’re inside. 

It’s important to know the pros and cons of each of these styles before purchasing, so you know what will be best suited for your needs. For example, rectangular sleeping bags are larger and bulkier (and therefore more comfortable) than mummy bags. Because of this, they don’t tend to fit well in small tents, and can be difficult to carry on long journeys. However, because of their large size and insulation, they make a great place to sleep for car campers and those with bigger tents. 

Mummy tents, on the other hand, are made for backpackers and people with small tents. They’re easy to compress, which means they take up less space when placed in a backpack. They also don’t take up much space inside the tent either, which makes them the ideal bag for backpackers to use.


two sleeping bags in a tent

One of the primary reasons why you have a sleeping bag in the first place is to keep you warm. If your current option can’t even do that much, it’s probably time to invest in something more suited to your needs, or perhaps you should consider getting a sleeping bag liner. 

Pay attention to the temperature ratings on each bag, too, as these indicate the lowest temperature you can use it in and still feel comfortable. And when they say “comfortable,” it usually means that you’ll still be cold, but it won’t be unbearably freezing. If you plan on camping in any season other than summer, it’s always good to be prepared for chilly nights by getting a sleeping bag with a good temperature rating. It never hurts to get a quality sleeping bag liner to help with the cold as well.

Carry Bag

While not as important to think about when it comes to sleeping bag functionality, the carry bag or compression sack is still a necessary feature. First of all, it’s nice to have one because it makes it easier to transport your sleeping bag. However, many bags are difficult to get back into their compression sacks, so it can be an exercise in frustration depending on how tight of a fit it is. While it isn’t possible to completely get rid of this problem, some are designed better than others. 

Rectangular Sleeping Bag Reviews

Revalcamp Sleeping Bag

Probably most well known for their wide variety of colors (you can choose between at least 12 different shades of the same tent), Revalcamp’s sleeping bags have more to offer than just customization. Though I would say this product is geared more towards children and recreational purposes (as opposed to serious camping), that’s not to say that it doesn’t work well as a fair weather sleeping bag. It’s rated for temperatures 40 and above, so on exceptionally chilly nights, you might get a little cold. But for summer, late spring, and early fall, this bag is quite comfortable and spacious. 

For people who would like to sleep together, these bags can be unzipped and then rezipped together, to make one large sleeping bag. It’s also easy to put it back into its carry bag, and weighs a mere 2 pounds, which allows for good portability. 


– Color customization
– Lightweight
– UV protection
– 100% money back guarantee


– Not suitable for very cold temperature
– Tends to get lumpy after washing

Coleman Big and Tall Sleeping Bag

Coleman is well known for being a camper’s best friend, providing quality gear that will last you for awhile. With its heat locking flannel liner, staying warm won’t be an issue in this big and tall sleeping bag, even in temperatures that drop below freezing. And because it’s flannel, it’s softer and more cozy than your typical synthetic liner.

Also, this sleeping bag isn’t called “big and tall” for nothing. At 7 feet long, and over 3 feet wide, this bag can accommodate people who are 6’7” and under and still have room to spare. And if you don’t like it when the insulation in your bag gets lumpy, this product has fiber lock technology, which prevents it from bunching up uncomfortably. 

You’ll also like to know that the zippers are actually pretty good on this sleeping bag too (which can be a rare thing). Even better, it rolls up really easily, and you don’t have to shove it into a tiny bag. Just use the attached cords to secure it in place, and you’re good to go.


– Very large
– Easy to roll up
– Soft, but not “too” soft
– Machine washable


– No carry bag

Coleman Brazos Sleeping Bag

Spacious and warm, the Coleman Brazos is a great all around sleeping bag. While not “exceptional” in every area, it’s hard to find anything to complain about. Rated for 20 degrees and up, this bag will keep you cozy in every temperature short of bitter winter nights. To prevent heat loss, there’s a draft tube along the zipper that helps keep body heat trapped inside the bag. 

Everything is made out of polyester, with the insulation being “hollow” poly, to decrease weight and maximize warmth. Out of all the sleeping bags in this review, this is probably the only one that I would even consider taking with me on a backpacking trip, due to how light and warm it is.


– Good in temperatures down to 20 degrees
– Draft tube to prevent body heat from escaping
– Hollow polyester insulation
– Fiberlock prevents insulation from shifting
– Can be fully opened to use as a comforter


– Material is a little scratchy on sensitive skin

Redcamp Flannel Sleeping Bag

Have you ever found a great sleeping bag, but it didn’t have as much insulation as you would’ve liked? Redcamp solved this problem with their flannel sleeping bag, with options ranging between 2-4 pounds of insulation. If you’re a warm weather camper, the 2 pounds of insulation will give you enough comfort without making you overheat. During the fall and spring, the 3 or 4 pound options will give you that extra bit of warmth that you need to stay cozy at night. 

The 2 way zippers allow you to combine 2 of these rectangular sleeping bags into one big one. This makes it easy to sleep together with someone else, or have more room just for you. Also, the flannel material is a nice change from some of the other synthetic blends, since it’s not only warm but feels soft and natural. I have sensitive skin, so I know how irritating it can be to sleep in polyester. If you’re like me, I guarantee you’ll try something like flannel and never want to go back.


– Adjustable fill
– Comfortable flannel
– Can combine two sleeping bags into one
– Waterproof


– Not great for super cold nights

Coleman Sun Ridge Sleeping Bag

This sleeping bag is for all you shorter folks out there who just need a little something more to keep you snug at night. This bag is not for winter camping or for super cold temperatures, as it’s only rated to go down to about 40 degrees. However, what it might lack in terms of extreme weather insulation, it makes up for in other features. 

Around the rim of the bag where your head will be, there’s something called the “comfort cuff,” which is exactly what it sounds like. The addition of plush material around your face adds another layer of softness and support for a better night’s sleep. There is also a roll control feature, which locks the edges of the bag in place to make it easier to roll up when you’re ready to move out. When it comes to packing up, my least favorite part has always been putting my sleeping bag away. After you do it enough times, it gets easier, but I definitely wish I knew about roll control earlier.


– Comfort cuff for added cushion around your face
– Roll control
– Fiberlock
– Machine washable


– The material of the inner lining is irritating for some
– Lacks the durability needed for extended use

In Conclusion…

The right sleeping bag should do more than just keep you warm…it should be comfortable and easy to pack away too. While most rectangular sleeping bags are known for being spacious and comfy, sometimes they lack the heat retention that you need at night. We like the Coleman Brazos sleeping bag the best because it fulfills all of these things better than many other bags that we’ve encountered.

Not only is it rated for temperatures down to 20 degrees (which is already impressive for this type of bag), but it’s also fairly large and comfortable. The draft tube is a handy feature that makes sure your own heat stays close to you, and you won’t have to worry about the insulation piling up on one side of the bag with Coleman’s fiberlock technology. And even though it wouldn’t be as ideal as a mummy sleeping bag, it’s light enough where you could get away with using it on a backpacking trip.

Want to enhance your sleeping experience even more? Check out these camping cots to pair with your sleeping bag!

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Spencer Yeomans

Spencer Yeomans

A lover of the outdoors, and especially the mountains, Spencer has always enjoyed pushing people to step outside their comfort zones. His mission is to help others get out of their homes to have fun and stay active in nature.

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