Unbiased Large Extreme Cold Weather Sleeping Bags Review


Our review process

Our team has gathered, researched, and analyzed information on hundreds of different kinds of sleeping bags in order to show you our top ranked sleeping bags on the market. We then further sub-categorized them and looked more specifically at 7 different large extreme cold weather 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 finest large extreme cold weather sleeping bags available on the market. But don't just take our word for it, check out some of the benefits and disadvantages of some of the main specs.

We've looked at large extreme cold weather sleeping bags and want to let you know about them. Preventing any heat loss, these sleeping bags are critical when you're out in the cold for extended periods. They have zoned insulation, concentrating insulation at the top of the sleeping bag to seal in body heat. Extreme cold weather sleeping bags have draft tubes, which run behind the zipper to help prevent warm air from escaping. They are usually designed with a draft collar, so you can move around at night without worrying about cold air pockets. They are more often than not designed with feather down, so they have an excellent warmth-to-weight ratio. These sleeping bags are made from thicker materials than smaller and shorter sleeping bags, so they are super soft and cushioning. They are very spacious, so you'll have plenty of room to stretch out comfortably.

Our Top Ranking Sleeping Bags:
Product NameBrandWeightShapeTemperature RatingDimensions
Best Overall Score
1
An image of Slumberjack Ronin 51722315DZ 0 Degree Polyester Sleeping Bag
Slumberjack Ronin 51722315DZ 0 Degree Polyester Sleeping Bag
Slumberjack
4.81
mummy
0 degree
6 ft. 4 in.
Runner Up
2
An image of Coleman Big Game 2000000100 Men's 0 Degree Cotton Flannel Sleeping Bag
Coleman Big Game 2000000100 Men's 0 Degree Cotton Flannel Sleeping Bag
Coleman
11
rectangle
0 degree
6 ft. 5 in.
Best Affordable Option
3
An image of Slumberjack Boundary Men's 0 Degree Sleeping Bag
Slumberjack Boundary Men's 0 Degree Sleeping Bag
Slumberjack
4.5
mummy
0 degree
6 ft.
For Backpacking
4
An image of Suisse Sport Alpine 5RR4302RN Men's 0 Degree Polyester Sleeping Bag
Suisse Sport Alpine 5RR4302RN Men's 0 Degree Polyester Sleeping Bag
Suisse Sport
5
mummy
0 degree
6 ft. 2 in.
5
An image of Slumberjack Borderland 51724615DZ Men's 0 Degree Sleeping Bag
Slumberjack Borderland 51724615DZ Men's 0 Degree Sleeping Bag
Slumberjack
5.81
rectangle
0 degree
6 ft. 4 in.
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Slumberjack
Weight
4.81
Shape
mummy
Temperature Rating
0 degree
Dimensions
6 ft. 4 in.
Customer Rating
Brand
Coleman
Weight
11
Shape
rectangle
Temperature Rating
0 degree
Dimensions
6 ft. 5 in.
Customer Rating
Brand
Slumberjack
Weight
4.5
Shape
mummy
Temperature Rating
0 degree
Dimensions
6 ft.
Customer Rating
Brand
Suisse Sport
Weight
5
Shape
mummy
Temperature Rating
0 degree
Dimensions
6 ft. 2 in.
Customer Rating
Brand
Slumberjack
Weight
5.81
Shape
rectangle
Temperature Rating
0 degree
Dimensions
6 ft. 4 in.
Best Overall Score
An image of Slumberjack Ronin 51722315DZ 0 Degree Polyester Sleeping Bag

Use the Slumberjack Ronin 0 Degree Polyester Mummy Sleeping Bag to stay warm in the outdoors. This Slumberjack sleeping bag has a mummy shape, sealing in your body heat since it is very fitted. It features a polyester lining, which is a synthetic fabric that is very strong and colorfast. Perfect for camping, it gives you the necessary protection to comfortably sleep outdoors after the temperatures drop at night. It features a 0°F temperature rating, which keeps out cold drafts from the inside of your sleeping bag. This sleeping bag has a jacket style hood, which contours to the shape of your face for a comfortable, snug fit.

    Pros
    • Jacket style hood gives added comfort by the head
    • Polyester lining is strong and vibrant
    • Mummy shape has excellent insulation
    Cons
    • Polyester absorbs grease
    • Mummy shape is very fitted with no extra room to move
    • Camping sleeping bags are not suitable for hiking
Runner Up
An image of Coleman Big Game 2000000100 Men's 0 Degree Cotton Flannel Sleeping Bag

With the Coleman Big Game Men's 0 Degree Cotton Flannel Rectangular Sleeping Bag, you can experience an incredible night's sleep while on your weekend away. This Coleman sleeping bag features a cotton flannel lining and has a cotton shell, so you will not overheat, as it's very strong, highly breathable, and doesn't absorb sunlight. It has a rectangular shape, which is non-tapered, allowing you freedom of movement in your sleep. With Thermolock technology, it reduces heat loss through the zipper since it has an added layer of insulation along the opening. It is designed for camping, giving you insulation to comfortably sleep outdoors after the temperatures drop at night. This sleeping bag is machine washable and features a Fiberlock Construction, so the insulating layer will not shift as you move around in your sleep. It has a plush bottom, so you won't feel the hard ground beneath you. Withstanding 0°F temperatures, it can keep out icy drafts from the inside of your sleeping bag.

    Pros
    • Machine washable
    • Features a plush bottom
    • Cotton flannel lining allows for airflow
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are heavier than backpacking bags
    • Cotton exterior is hard to carry
Best Affordable Option
An image of Slumberjack Boundary Men's 0 Degree Sleeping Bag

Choose the Slumberjack Boundary Men's 0 Degree Mummy Sleeping Bag to stay warm and cozy in the outdoors. This sleeping bag has a polyester exterior, which is breathable and comfortable. With a mummy shape, it is made with excellent warmth-to-weight ratio, since it is cut closely so there is no excess fabric, cutting down on the weight and making it easier to carry on your back. It features a stuff sack, which takes up hardly any space and will make packing your bag so much easier. This Slumberjack sleeping bag features a 0°F temperature rating, preventing any icy drafts from keeping you up at night.

    Pros
    • Stuff sack will keep you organized
    • Polyester exterior is strong and colorfast
    • Mummy shape has excellent insulation
    Cons
    • Mummy shape is very fitted with no room to move
    • Polyester exterior is not so durable
    • Stuff sack can damage the sleeping bag's insulation after prolonged use
For Backpacking
An image of Suisse Sport Alpine 5RR4302RN Men's 0 Degree Polyester Sleeping Bag

Use the Suisse Sport Alpine Men's 0 Degree Polyester Mummy Sleeping Bag to stay warm in the outdoors. With a mummy shape, this Suisse Sport sleeping bag is fitted to prevent warm air from escaping. It has Microtekk Z1 insulation, which will keep you warm at low temperatures by using synthetic insulation. This Suisse Sport sleeping bag can withstand 0°F temperatures, preventing any cold drafts from keeping you up at night. It has a polyester shell, which will deflect UV light, protecting you from damaging sunlight, and a polyester lining, which is a synthetic material that is very strong and colorfast. Suitable for winter weather, it can withstand freezing temperatures and still keep you warm.

This Suisse Sport sleeping bag features a drawstring hood and a shoulder pocket, which offers you a convenient and secure place to stash your important possessions, such as your watch. It is made to be compact and features a compressible design, giving you enough extra room to take along your other essentials. This Suisse Sport sleeping bag is designed for backpacking and is lightweight, making long days out on the trail easier to tackle. It has a stuff sack, designed for easily fitting your sleeping bag into your backpack along with the rest of your equipment.

    Pros
    • Folds up compactly
    • Compresses easily
    • Drawstring hood gives added cushion by the head
    Cons
    • Polyester absorbs sweat
    • Mummy shape doesn't have extra space to move around
    • Polyester exterior is not very durable
Additional Picks
An image of Slumberjack Borderland 51724615DZ Men's 0 Degree Sleeping Bag

Choose the Slumberjack Borderland Men's 0 Degree 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 can withstand 0°F temperatures, so the cold can't deter you from spending a night in the outdoors. This Slumberjack sleeping bag features a zipper guard, preventing the fabric from snagging when opening and closing the zipper. Equipped with a chest pocket, it has a handy place to store essentials. It is perfect for camping, giving you the necessary protection to comfortably sleep outdoors after the temperatures drop at night. With a compressible design, it will not take up all the space in your bag so you will have enough room to bring along other essentials. This Slumberjack sleeping bag features a stuff sack, which will keep your pack organized.

    Pros
    • Designed to compress easily
    • Zipper guard keeps the fabric from snagging
    • Stuff sack provides a place to store small items
    Cons
    • Rectangular shape is heavier than other shapes
    • Camping sleeping bags are more difficult to carry than hiking bags
    • Stuff sack can ruin the sleeping bag's insulation if used for too long
An image of Kelty Tuck 35425618RR 0 Degree Polyester Taffeta Sleeping Bag

Choose the Kelty Tuck 0 Degree Polyester Taffeta Mummy Sleeping Bag to stay warm in the outdoors. This Kelty sleeping bag features a polyester exterior, which is breathable and comfortable, and a polyester taffeta lining, which does not retain water, keeping the material from getting too wet. Featuring a mummy shape, it is fitted to prevent cold air pockets. It has a zipper guard, keeping the material from snagging when opening and closing the zipper. It has ThermaPro insulation, which will trap warmth by utilizing synthetic insulation. This Kelty sleeping bag works well for camping trips, offering cozy warmth and good compressibility. It has a compressible design, which will fold up very small, leaving you enough space for all your other essentials and it is also designed to be compact, so it cuts down the total volume your bag takes up in your pack. This Kelty sleeping bag has a stuff sack, which will keep your backpack organized. It can withstand 0°F temperatures, so you won't feel any cold air pockets.

    Pros
    • Designed to be compact
    • Compresses easily
    • Zipper guard keeps the fabric from tearing
    Cons
    • Mummy shape has a tailored fit which can be too cramped for some people
    • Camping sleeping bags are not suitable for hiking
    • Polyester exterior is not very durable
An image of Sierra Design Nitro UL 800 Women's 0 Degree Sleeping Bag

Use the Sierra Design Nitro UL 800 Women's 0 Degree Mummy Sleeping Bag to stay warm and cozy in the outdoors. This sleeping bag is designed for backpacking and is lightweight, making it great if your number one priority is low volume and weight. It has a mummy shape, which is larger on top and more fitted on the bottom, keeping warm air close to your body. Tailored for women, it has more insulation at the feet and torso as women usually are naturally colder than men. Featuring a nylon ripstop shell, it works well in rugged use since it won't rip or tear. It has a 0°F temperature rating, which keeps out cold drafts from the inside of your sleeping bag. This sleeping bag has Dridown technology, so the air-trapping down clusters will remain protected from moisture. It is easy to pack, so it can be effortlessly folded down into a practical size to save space in your bag.

    Pros
    • Easy to pack sleeping bags roll up compactly
    • Women's cut provides extra insulation by your extremities
    • Lightweight construction
    Cons
    • Mummy shape requires you to sleep on your back
    • Women's sleeping bags do not always fit tall women
Large Extreme Cold Weather Sleeping Bags: Here's Some Additional Information to Think About:
Sleeping Bags Are Available in Different Types of Liner Materials
Polyester Sleeping Bags

Looking for a long-lasting sleeping bag? A sleeping bag with a polyester liner may be the solution you need. For your convenience, we recommend one of the great sleeping bags that come with a polyester liner. These polyester sleeping bags are naturally hypoallergenic, so they are ideal for allergy sufferers. They are breathable, promoting good airflow so you don't end up overheating. These sleeping bags are easy to clean, so they can last a long time before needing a complete wash. They are designed with durable materials, providing a consistent level of warmth for many years. These sleeping bags dry quickly, so when facing wet conditions, moisture will not soak the fabric. Now that you're more familiar with polyester, take a look here.

Cotton Flannel Sleeping Bags

The following will help you know what to look for when considering cotton flannel sleeping bags. You can take a look at this sleeping bag if this material is what you're looking for your outdoor excursions. Cotton flannel sleeping bags are naturally hypoallergenic, so you can stay protected against irritation from allergens and chemicals while taking on the outdoors. They are very comfy, ensuring your child sleeps soundly after a long day adventuring in the outdoors. They are extremely durable, withstanding extended long term use and staying intact. Designed for warmth, cotton flannel sleeping bags will keep you snug and cozy.

Polyester Taffeta Sleeping Bags

Are polyester taffeta sleeping bags the right fit for you? Take a look at this particular sleeping bag with a polyester taffeta liner that we picked out for you. These sleeping bags are very comfy, so you'll wake up feeling well rested. They are breathable, providing a cool solution for warmer nights.

Which Shape Best Suits Your Sleeping Bag
Rectangular Sleeping Bags

Trying to choose the most fitting rectangle sleeping bag for you? We can help you make your decision by giving you some important information that you need. These sleeping bags have a super spacious design, so they are ideal for people who feel too claustrophobic by the tight mummy shape. They come with double zippers, making them very versatile, doubling as a blanket or attaching to another sleeping bag for combined body heat on extra cold nights. They accommodate varying sleeping positions, allowing you to sleep in any position you choose. One downside is that rectangular sleeping bags are not very heat-efficient, creating more room inside which can weaken the bag's ability to keep you warm. Additionally, they are quite heavy, so they are less good for when weight is the top priority. Decided on which shape is right for you? Then why not have a look at this great choice.

Mummy Sleeping Bags

Are you looking to purchase a sleeping bag to enhance warmth? We have two mummy sleeping bags available. Click here to have a look at one now. These sleeping bags weigh less than rectangular bags, so you won't have to sacrifice some warmth for weight. Something to keep in mind is that they provide less space to move around, making them uncomfortable for sleepers who toss and turn. A benefit is that they are good for cold weather, so they are designed to hold in warmth and keep out drafts.