Best Rectangular 4 Season Sleeping Bags for 2019


Our review process

We've compared hundreds of sleeping bags, including many different rectangular 4 season sleeping bags. We used our progressive AI engine to rate each individual sleeping bag based on a number of data parameters. These features range from shape and size to cleaning options and designs. The following article will talk about rectangular 4 season sleeping bags in particular, of which we found 7. We hope that this guide will help you in your research.

This article will go through the important specs to consider when purchasing a rectangular 4 season sleeping bag. Suitable for all winter weather, 4 season sleeping bags are engineered to keep you warm in very cold environments. They are designed with an insulated hood that can be cinched in, increasing the level of protection against cold air penetrating the outer shell. However, they are more expensive than 2 or 3 season sleeping bags, so they are more of a long-term investment.

With a generous shape, rectangular sleeping bags are ideal for those who like a bit of extra room to stretch out. They have double zippers, which allow you to turn the bag into a flat blanket, for warmer nights. These sleeping bags accommodate varying sleeping positions, allowing you to sleep in any position without compressing the insulation. However, they are quite heavy, so they are less suitable for when weight is a concern. Moreover, they are less ideal for cold weather, creating extra space inside which can weaken the bag's ability to keep you warm.

Our Top Ranking Sleeping Bags:
Product NameBrandSize
Best Overall Score
1
An image of Abco Tech 20 Degree Polyester Sleeping Bag
Abco Tech 20 Degree Polyester Sleeping Bag
Abco Tech
single
Runner Up
2
An image of Abco Tech ABC2096 Boys 20 Degree Polyester Sleeping Bag
Abco Tech ABC2096 Boys 20 Degree Polyester Sleeping Bag
Abco Tech
single
For Cold Weather
3
An image of Abco Tech Men's 20 Degree Polyester Sleeping Bag
Abco Tech Men's 20 Degree Polyester Sleeping Bag
Abco Tech
single
Best Affordable Option
4
An image of Coleman Adjustable Comfort 30 Degree Polyester Sleeping Bag
Coleman Adjustable Comfort 30 Degree Polyester Sleeping Bag
Coleman
single
5
An image of Sea to Summit Latitude LT III Sleeping Bag
Sea to Summit Latitude LT III Sleeping Bag
Sea to Summit
single
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Abco Tech
Size
single
Customer Rating
Brand
Abco Tech
Size
single
Customer Rating
Brand
Abco Tech
Size
single
Customer Rating
Brand
Coleman
Size
single
Customer Rating
Brand
Sea to Summit
Size
single
Best Overall Score
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 getaway. 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 strong winds. This Abco Tech sleeping bag has a compressible design and is made to be compact, getting rid of the bulk, so you'll have plenty of room for your gear. It features a compression bag, is easy to carry, and is 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
Runner Up
An image of Abco Tech ABC2096 Boys 20 Degree Polyester Sleeping Bag

With the Abco Tech Boys 20 Degree Polyester Rectangular Sleeping Bag, your kids will have an incredible outdoor adventure. This Abco Tech sleeping bag is made for boys, featuring a stylish design while keeping your children comfortable and warm. It features a polyester shell, which deflects UV light, shielding your kids from damaging sun rays, and a polyester lining, which is light, soft, and does not get as hot as other fabrics during the night. It has a rectangular shape, allowing kids to sleep on their side, back, or stomach without feeling restricted.

This sleeping bag works well for camping trips and is lightweight, making it easy for kids to transport. It is suitable for 4 seasons and is waterproof, making it a good fit for rainy environments. It is made to be compact and features a compressible design, so you can fit it into your kid's backpack and it will give them sufficient space to take along other essentials. It can withstand 20°F temperatures, providing your kids with the warmth needed when temperatures are above freezing.

This Abco Tech sleeping bag is easy to clean, so you won't have to send it to a professional to maintain its quality and warmth. It features a drawstring carry bag, which is hands free and easy for your kids to bring with them on any adventure. This Abco Tech sleeping bag is easy to carry for convenient storage and transport. It has a stuff sack for easily fitting your sleeping bag into your backpack with the rest of your equipment. It is equipped with weather-resistant technology and can be machine washed, so you can easily clean it at home to make sure your kid's bag stays in the best condition.

    Pros
    • Machine washable
    • Folds up compactly
    • Compresses easily
    Cons
    • Polyester absorbs sweat
    • Rectangular shape is heavier than other shapes
    • Camping sleeping bags are not suitable for hiking
For Cold Weather
An image of Abco Tech Men's 20 Degree Polyester Sleeping Bag

Choose the Abco Tech Men's 20 Degree Polyester Rectangular Sleeping Bag to stay warm in the outdoors. This Abco Tech sleeping bag has a rectangular shape, which is built with extra space, so you can move comfortably in your sleep. It features a polyester lining, which is breathable and comfortable on your skin and does not get as hot as other materials during the night, and a polyester shell, which deflects UV light, protecting you from harmful sun rays. This 4 season sleeping bag can handle very low temperatures or areas with harsh winds. It can withstand 20°F temperatures and is waterproof, making it a good fit for wet environments.

This Abco Tech sleeping bag features a compressible design and is made to be compact, getting rid of the bulk, so you'll have plenty of room to fit in other gear. It is made for camping and is lightweight, making long days out on the trail easier to handle. This Abco Tech sleeping bag detaches via zippers, so you can transform it into two separate sleeping bags. It is easy to carry, making it a wonderful option if mobility and packing space are your main concern. This Abco Tech sleeping bag features a compression bag, which gives you the perfect space to pack away your sleeping bag and any other small items.

    Pros
    • Folds up compactly
    • Compresses easily
    • Lightweight build
    Cons
    • Polyester stains frequently
    • Rectangular shape is not very insulated
    • Camping sleeping bags are bulkier than hiking bags
Best Affordable Option
An image of Coleman Adjustable Comfort 30 Degree Polyester Sleeping Bag

With the Coleman Adjustable Comfort 30 Degree Polyester Rectangular Sleeping Bag, you can experience a great night's sleep while on your weekend away. This sleeping bag has a rectangular shape, which is non-tapered, allowing you to comfortably move around in your sleep. It features a polyester lining, which is light and soft on your skin and does not heat up as much as other fabrics during the night. This 4 season sleeping bag will you warm even in very low temperatures, perfect for a cozy nights in the snow. It features a 30°F temperature rating, which is designed for retaining warmth, keeping you well-insulated in moderately cold conditions. This sleeping bag has a zipper guard, which keeps the fabric from tearing if caught in the zipper teeth.

    Pros
    • Zipper guard keeps the fabric from snagging
    • Polyester lining is strong and vibrant
    • Rectangular shape is built with extra space
    Cons
    • Polyester stains easily
    • Rectangular shape is not very insulated
    • 4 season sleeping bags are heavier
Additional Picks
An image of Sea to Summit Latitude LT III Sleeping Bag

With the Sea to Summit Latitude LT III Rectangular Sleeping Bag, you can experience a great night's sleep while on your weekend away. This sleeping bag has a rectangular shape, which is symmetrical, so it's easy to roll up and store the sleeping bag. It features 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent rain or dew from soaking through the fabric. Perfect for year-round adventuring, it is equipped with durable materials that provide high levels of insulation and shield against extremely cold weather conditions.

Featuring an interior pocket, this sleeping bag has a convenient place to store small objects. With a compressible design, it does not take up all the space in your bag so you will have enough room to bring along other equipment. It is made for camping and is lightweight, making long days out on the trail easier to tackle. It has a laundry bag and features a compression bag, which will make packing up your bag hassle-free.

    Pros
    • Compresses easily
    • Lightweight construction
    • Rectangular shape offers you space to move around
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are heavier than hiking bags
    • 4 season sleeping bags are more difficult to carry
An image of Sea to Summit Basecamp BC II 092L-Parent Men's Sleeping Bag

Let's review the Sea to Summit Basecamp BC II Men's Rectangular Sleeping Bag, rated highly by online shoppers. This sleeping bag is made for camping and is lightweight, so you can take it on all your adventures without feeling weighed down. It has a rectangular shape, which is non-tapered, allowing you freedom of movement in your sleep. With a nylon ripstop shell, it is durable, so it will not wear out after extended exposure to rough terrain.

This sleeping bag features a zipper guard, which keeps the fabric from tearing if caught in the zipper teeth. It detaches via zippers, so you can easily split your double bag into two individual ones. Perfect for year-round use, it is built with strong materials that are highly insulated and shield against extremely cold temperatures. Features a built-in pillowcase, it gives you a spot to place either a camping pillow or folded up clothing to support your head and neck. This sleeping bag has 2D Permashell, which is a porous, water-resistant, very insulated material that is treated with DWR and will keep you dry in even the wettest of weather conditions.

    Pros
    • Features a built-in pillowcase
    • Zipper guard prevents the material from tearing
    • Lightweight build
    Cons
    • Rectangular shape is not the warmest option
    • Camping sleeping bags are bulkier than backpacking bags
    • 4 season sleeping bags are heavier
An image of Sea to Summit Basecamp BC III 093R Sleeping Bag

With a high user rating, the Sea to Summit Basecamp BC III Rectangular Sleeping Bag might be just what you need for your next outdoor adventure. This sleeping bag has a rectangular shape, which is ideal for those who like a bit of extra room. It has a nylon ripstop exterior, which is durable and doesn't absorb water. This sleeping bag is suitable for camping and is lightweight, making it great for hiking or traveling long distances on foot. It has 2D Permashell, which is a highly breathable, water-resistant, very insulated fabric that is treated with DWR and will keep you dry in even the wettest of weather conditions. Perfect for year-round use, it is built with durable materials that are highly insulated and protect against extremely cold temperatures. It has a built-in pillowcase, which is a space at the top of your sleeping bag that is meant to hold a camping pillow or folded up clothing.

    Pros
    • Features a built-in pillowcase
    • Lightweight build, which minimizes the weight of your pack
    • Nylon ripstop shell is light and comfortable
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are bulkier than hiking bags
    • 4 season sleeping bags tend to be heavier
Rectangular 4 Season Sleeping Bags: Here's Some Additional Information to Think About:
Differentiating Between Temperature Ratings of Rectangular 4 Season Sleeping Bags
20 Degree Sleeping Bags

If you're looking for a 20 degree rating rectangular 4 season sleeping bag, then you should consider this highly rated sleeping bag. These 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 are more affordable than sub-zero degree bags, so you can get one without feeling worried about going outside of your budget. 20 degree sleeping bags have a tight fitted hood design, so your neck and head will be enveloped in warmth.

30 Degree Sleeping Bags

It can be hard to decide on the right temperature rating for your rectangular 4 season sleeping bag. We're here to help you think about the perfect choice for your next outdoor adventure. These 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, making them perfect if you're shopping on a budget. 30 degree sleeping bags provide the perfect amount of insulation for 3 season use, so they are one of the most versatile options out there. If you think that you want to get a 30 degree rating rectangular 4 season sleeping bag, check out this awesome one.