Top 20 Degree Single Sleeping Bags for 2019


Our review process

We have gathered, researched, and analyzed information on plenty of different types of sleeping bags in order to suggest our top scoring sleeping bags on the market. We then further sub-categorized them and looked more specifically at 71 different 20 degree single sleeping bags. In our research, we took into consideration a variety of different main features among the 28,000 different data parameters and combined it with customer reviews to inform you of the leading 20 degree single sleeping bags available. But don't just take our word for it, check out the advantages and disadvantages of some of the main specs.

When trying to decide on your next 20 degree single sleeping bag, there are some things you'll want to know. 20 degree sleeping bags should keep you comfortable down to 20°F, but remember that this doesn't account for variables such as layering, what you're wearing, and various other factors. 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. These sleeping bags are more affordable than sub-zero degree bags, so you can buy these without feeling the stress of going above your budget. They are tight fitting, maximizing insulation since its more effective to warm a small space than a larger one. They are designed to be compact, making them easy to roll up and throw in your bag. Single sleeping bags come with enough space for one, fitting more snug and tight for excellent insulation. They are lighter than double sleeping bags, so they are more practical for taking on tough trails.

Our Top Ranking Sleeping Bags:
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Snugpak
Shape
mummy
Customer Rating
Brand
Western Mountaineering
Shape
mummy
Customer Rating
Brand
Snugpak
Shape
mummy
Customer Rating
Brand
Slumberjack
Shape
rectangle
Customer Rating
Brand
Abco Tech
Shape
rectangle
Best Overall Score
An image of Snugpak Special Forces 2 91173 20 Degree Paratex Light Sleeping Bag

With the Snugpak Special Forces 2 20 Degree Paratex Light Mummy Sleeping Bag, you can experience an incredible night's sleep while on your weekend getaway. Featuring a mummy shape, this Snugpak sleeping bag is tight fitting to prevent cold air pockets. It can withstand 20°F temperatures for warmth when outdoor temperatures are in the 20s or higher. This sleeping bag features a Paratex light lining, which will feel dry and cool due to the wicking action of the fabric. Designed in a double size, it sleeps two campers, allowing you to keep warm by sharing body heat. It detaches via zippers, so you can easily split your double bag into two individual ones. This Snugpak sleeping bag works well for camping trips, offering cozy warmth and good compressibility. It features a stuff sack for easily fitting your sleeping bag into your backpack with the rest of your equipment.

    Pros
    • Stuff sack will keep your bag organized
    • Mummy shape is great for backpacking
    • Comes in desert tan to add style to your overnight trips
    Cons
    • Mummy shape is very fitted with no extra space to move around
    • Camping sleeping bags are not suitable for hiking
    • Stuff sack can damage the sleeping bag's filling after prolonged use
Runner Up
An image of Western Mountaineering UltraLite 20 Degree Nylon Taffeta Sleeping Bag

Let's review the Western Mountaineering UltraLite 20 Degree Nylon Taffeta Mummy Sleeping Bag, a popular choice among online shoppers. This sleeping bag has a mummy shape, which is larger on top and more fitted by the feet, keeping warm air close to your body. It has a nylon taffeta lining and an ExtremeLite shell, which provides a high level of insulation by using very lightweight yarn. Featuring a lightweight build, it is perfect if you're planning on trekking or hiking long trails by foot. With a compressible design, it will fold up very small, giving you ample room for all your other equipment. It is suitable for temperatures around 20°F and is waterproof, keeping out moisture, so you won't end up soaked if bad weather hits.

    Pros
    • Made to compress easily
    • Lightweight build
    • Mummy shape is suitable for hiking
    Cons
    • Mummy shape doesn't have extra space to move around
Best Affordable Option
An image of Snugpak Basecamp Sleeper Lite 98130 20 Degree Synthetic Sleeping Bag

Trying to find an affordable sleeping bag? You'll want to hear all about the Snugpak Basecamp Sleeper Lite 20 Degree Synthetic Mummy Sleeping Bag. Featuring a mummy shape, this Snugpak sleeping bag is tight fitting to prevent cold air pockets. It features a synthetic lining, which is ideal if you're looking for great insulation even if the sleeping bag comes in contact with water. This Snugpak sleeping bag can withstand 20°F temperatures, designed for warmth when outdoor temperatures are in the 20s or above.

    Pros
    • Synthetic lining is hypoallergenic
    • Mummy shape is suitable for backpacking
    • Single size sleeping bags have good insulation
    Cons
    • Synthetic material does not have good warmth-to-weight ratio
    • Mummy shape limits different sleeping positions
For Cold Weather
An image of Slumberjack Country Squire 51731612LR 20 Degree Flannel Sleeping Bag

With the Slumberjack Country Squire 20 Degree Flannel Rectangular Sleeping Bag, you can experience an incredible night's sleep while on your outdoor adventure. This sleeping bag has a flannel lining and a polyester shell, which is light and comfortable. It has a rectangular shape, allowing you to sleep on your side, back, or stomach without feeling restricted. Perfect for hiking, it won't add noticeable weight to your bag while you're taking on the outdoors. It has Slumberloft™ synthetic insulation, which utilizes polyester fibers to create a high level of insulation. It features a 20°F temperature rating, providing you with the warmth you need for temperatures above freezing. This Slumberjack sleeping bag detaches via zippers, so you can easily split your double bag into two individual ones.

    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
For Backpacking
An image of Abco Tech 20 Degree Polyester Sleeping Bag

With the Abco Tech 20 Degree Polyester Rectangular Sleeping Bag, you can experience a great night's sleep while on your weekend away. This Abco Tech sleeping bag features a polyester exterior, which resists UV light, shielding you from harmful sun rays, and a polyester lining, which is light and comfortable on your skin and doesn't heat up as much as other fabrics during the night. It has a rectangular shape, allowing you to sleep on your side, back, or stomach without feeling restricted. This Abco Tech sleeping bag is perfect for backpacking and is lightweight, making long days out on the trail easier to tackle.

This Abco Tech sleeping bag can be machine washed, so you can easily clean it at home to ensure your bag stays in the best condition. It can withstand 20°F temperatures and is waterproof, resisting moisture and keeping you dry in damp conditions. This 4 season sleeping bag can handle very low temperatures or areas with harsh winds. This sleeping bag is made to be compact and has a compressible design, giving you enough extra space to bring along your other equipment. It is easy to carry, has a compression bag, and is designed to be easy to clean, so you do not need to send it to a professional to maintain its quality and warmth.

    Pros
    • Can be machine washed
    • Designed to be compact, getting rid of the bulk
    • Compresses easily
    Cons
    • Polyester absorbs grease
    • Rectangular shape is bulkier than other shapes
    • Polyester exterior is not so durable
Additional Picks
An image of Slumberjack Boundary 51725415RR Men's 20 Degree Sleeping Bag

Choose the Slumberjack Boundary Men's 20 Degree Mummy Sleeping Bag to stay warm and cozy in the outdoors. Featuring a mummy shape, this Slumberjack sleeping bag is tight fitting to prevent warm air from escaping. Good for winter weather, it can withstand harsh temperatures and continue to keep you insulated and comfortable. It can withstand 20°F temperatures, designed for warmth when outdoor temperatures are in the 20s or higher. This sleeping bag unzips on each side for easy access.

    Pros
    • Can withstand cold winter weather
    • Mummy shape is excellent for backpacking
    • Single size sleeping bags have great insulation
    Cons
    • Mummy shape restricts different sleeping positions
An image of Big Agnes Hog Park Men's 20 Degree Sleeping Bag

Before purchasing the Big Agnes Hog Park Men's 20 Degree Mummy Sleeping Bag, it's helpful to know more about its different features. This sleeping bag has a mummy shape, which is wider on top and more fitted on the bottom, keeping warm air closer to you. Made for camping, it gives you insulation to comfortably sleep outdoors after the temperatures drop at night. It has Thermolite Extra material, which is made up of hollow-core fibers that trap air, which keeps you warmer as your body heat remains inside the sleeping bag. This sleeping bag can withstand 20°F temperatures, designed for warmth when outdoor temperatures are in the 20s or higher. It comes with a stuff sack for easily fitting your sleeping bag into your backpack with the rest of your gear.

    Pros
    • Stuff sack provides a place to store loose items
    • Mummy shape is great for backpacking
    • Single size sleeping bags are well insulated
    Cons
    • Mummy shape has a tight cut which can be uncomfortable for some
    • Camping sleeping bags are not suitable for hiking
    • Stuff sack can damage the sleeping bag's filling if used for too long
An image of Coleman Dunnock Cold Weather SS-SMS-765711 Men's 20 Degree Cotton Flannel Sleeping Bag

Choose the Coleman Dunnock Cold Weather Men's 20 Degree Cotton Flannel Rectangular Sleeping Bag to stay warm in the outdoors. This Coleman sleeping bag has a cotton flannel lining and is designed from cotton shell material, so you won't overheat, as it's very strong, highly porous, and doesn't absorb sunlight. It has a rectangular shape, allowing you to sleep on your side, back, or stomach without feeling restricted. With Thermolock technology, this sleeping bag prevents heat loss through the zipper since it has an added layer of insulation along the opening. It is made for camping and is lightweight, making it great if your number one priority is low volume and weight. This sleeping bag can be machine washed and has a zipper guard, preventing the fabric from snagging in the zipper. Great for winter, it can withstand harsh temperatures and still keep you warm. This sleeping bag features a plush bottom, so you won't feel the bumps on the ground beneath you. It has roll control and is made to be easy to pack, so it can be folded down into a practical size to save space in your bag. This Coleman sleeping bag is ideal for temperatures around 20°F, providing you with the warmth you need for temperatures above freezing.

    Pros
    • Machine washable
    • Made with a plush bottom
    • Roll control tab keeps the sleeping bag straight
    Cons
    • Rectangular shape is bulkier than other shapes
    • Camping sleeping bags are bulkier than hiking bags
    • Cotton exterior is heavy
An image of Kelty Sine 35413017LR 20 Degree Nylon Taffeta Sleeping Bag

You'll want to discover more about the Kelty Sine 20 Degree Nylon Taffeta Mummy Sleeping Bag to discover what sets it apart from all the other sleeping bags on the market. With a mummy shape, this Kelty sleeping bag is tight fitting to prevent cold air pockets. It is designed with a nylon taffeta lining and is made with a nylon ripstop exterior, resisting wear and tear. This Kelty sleeping bag has Dridown technology, which creates a surface tension on the fibers of the down clusters, forcing the water molecules to simply bead up and roll off. It is lightweight and works well for camping trips, giving you the necessary protection to comfortably sleep outdoors after the temperatures drop at night.

This sleeping bag includes a mesh storage sack, so you can stash your important items, such as your flashlight. It has a built-in pillowcase. This sleeping bag features a 20°F temperature rating, which is more recommended for 3-season use, keeping you warm in temperatures above freezing. It comes with a stuff sack, which will make packing up your bag super easy.

    Pros
    • Features a built-in pillowcase
    • Stuff sack provides a place to stash loose items
    • Lightweight build
    Cons
    • Mummy shape is very fitted with no extra space to move
    • Camping sleeping bags are not suitable for backpacking
    • Stuff sack can ruin the sleeping bag's filling if used for too long
An image of Marmot Ironwood 900927-3873 Men's 20 Degree Sleeping Bag

Use the Marmot Ironwood Men's 20 Degree Mummy Sleeping Bag to stay warm and cozy in the outdoors. Featuring a mummy shape, this Marmot sleeping bag is tight fitting to prevent cold air pockets. It is perfect for backpacking and is lightweight, making long days out on the trail easier to tackle. With an interior pocket, it has a convenient spot to store small objects. This sleeping bag is ideal for temperatures around 20°F and is waterproof, making it a good choice for wet environments. It has Down Defender, protecting down from losing loft when exposed to wet weather. This Marmot sleeping bag comes with a two-way zipper and a stuff sack, which will keep you organized.

    Pros
    • Two-way zipper provides airflow at the bottom of the sleeping bag
    • Lightweight build
    • Mummy shape is great for hiking
    Cons
    • Mummy shape is very fitted with no extra space to move around
Still Need Help Choosing a 20 Degree Single Sleeping Bag?:
20 Degree Single Sleeping Bags Are Available in Various Kinds of Liner Materials
Synthetic Sleeping Bags

Are synthetic sleeping bags the right choice for you? Take a look at this particular 20 degree single sleeping bag with a synthetic liner that we highly recommend. Synthetic sleeping bags can be easily compressed, making it ideal for minimalist packers. They are designed for warmth, providing you with a cozy space to take on the outdoors. These synthetic sleeping bags are easy to clean, so they can last a long time before needing a complete wash. They are extremely durable, so they can stand up to long-term use without fraying or falling part. These synthetic sleeping bags are designed to be lightweight, so they are ideal for tough terrain backpacking trips or other adventures where weight and volume are a priority. They are moisture wicking, keeping you dry on humid nights.

Polyester Sleeping Bags

There are five 20 degree single sleeping bags available that come with a polyester liner. These sleeping bags are naturally hypoallergenic, so you can stay protected against irritation from allergens and chemicals while taking on the outdoors. They are easy to clean, so with just a damp cloth and a little soap you can keep them in great shape. They are breathable, allowing good airflow so you don't end up overheating. Polyester sleeping bags are extremely durable, so they will not pill or tear with extended use. They dry quickly, reducing the overall amount of moisture trapped and absorbed by the material.

Flannel Sleeping Bags

There is only one 20 degree single sleeping bag that has a flannel liner. Flannel sleeping bags are very comfy, ensuring comfort and rest, no matter the surface underneath. Perfect for chilly nights in the woods, they will keep you snug and cozy. They are easy to clean, so you won't have to spend money and time on dry cleaning. These flannel sleeping bags are moisture wicking, keeping you dry in high humidity conditions. Now that you're more familiar with flannel, choose the right one for you here.

Number of Seasons a 20 Degree Single Sleeping Bag Can Keep You Warm in
3 Season Sleeping Bags

If you've been trying to find a 20 degree single sleeping bag for 3 seasons, then you should keep reading below to learn more about them. Keeping you warm in most conditions except for snow, 3 season sleeping bags are extremely practical and will provide you with the insulation you need, unless you're planning on going on an alpine winter excursion. They have enough insulation for colder weather camping trips in spring through to autumn, which ensures your body heat stays inside, so you can sleep soundly on even the coldest nights. If you are considering getting a 20 degree single sleeping bag for 3 season use, check out this awesome one.

4 Season Sleeping Bags

Are you thinking about taking a camping or backpacking trip during the winter months? There are nine options available for 20 degree single sleeping bags which are ideal for the colder months of the year, such as this awesome one. These sleeping bags are designed with an insulated hood that can be cinched down around your head, ensuring body heat stays inside. Something to consider is that they have more expensive price tag than 2 or 3 season sleeping bags, which might not be worth the investment if you don't plan on going winter camping. A benefit is that they are suitable for all winter weather, so no matter the season or condition, you can sleep in the outdoors with the greatest level of protection.

2 Season Sleeping Bags

Are 2 season sleeping bags exactly what you're looking for? Learn more about them in this section and if you still want to check them out, then come take a look at this particular 20 degree single sleeping bag that we chose for you. These sleeping bags are good for warmer weather, allowing for ventilation and breathability, so you won't feel stuffy and uncomfortable when temperatures rise. They have a lightweight design, so if you have a lot of other gear and don't want to carry so much weight, they could be a great option for you. However, they have the least amount of weather protection, which won't offer the necessary weather protection for cold outdoor temperatures. On the other hand, they have good ventilation features, which let a comfortable flow of air through, so you wont get overheated at night.

Choosing the Perfect Shape for 20 Degree Single Sleeping Bags
Barrel Sleeping Bags

Are you looking to purchase an all-purpose sleeping bag? We have two barrel sleeping bags available. Click here to have a look at one now. With a spacious design, barrel sleeping bags are optimal for those who like plenty of room to stretch out. They accommodate varying sleeping positions, so if you move around a lot at night, you'll have the space and freedom to sleep in any position you choose. They are a great compromise between the more fitted mummy shape and the roomier rectangular sleeping bags, so they are a great choice for something spacious while not compromising warmth.

Rectangular Sleeping Bags

Are you looking to buy a sleeping bag that will have lots of room? We have 51 rectangle sleeping bags available. Click here to have a look at one now. With a generous shape, these rectangular sleeping bags are optimal for those who like plenty of room to stretch out. They accommodate varying sleeping positions, allowing you to sleep in any position without compressing the insulation. They have double zippers, so they can double as a quilt. A potential downside is that they are less ideal for cold weather, allowing the cool air to circulate since they have a more spacious design. Additionally, they are quite heavy, so they aren't convenient for when weight is a concern.

Mummy Sleeping Bags

Deciding on the most suitable mummy sleeping bag for you? We will help you make your choice by providing you with some information that you need. These sleeping bags weigh less than rectangular bags, providing excellent insulation per unit weight. One downside is that they provide less space to move around, making them uncomfortable for sleepers who toss and turn. On the other hand, they are good for cold weather, so they are designed to hold in warmth and keep out drafts. Feel ready to decide on the right 20 degree single sleeping bag for you? Get started here.