Best Rectangular Summer Sleeping Bags


Our review process

Our team has gathered, researched, and analyzed information on more than 800 different types of sleeping bags in order to recommend our highest rated sleeping bags. We then further sub-categorized them and looked more specifically at 17 different rectangular summer sleeping bags. In our research, we took into consideration a range of different main features among the 28,000 different data points and combined it with customer reviews to inform you of the top rectangular summer sleeping bags available. But don't just take our word for it, check out some of the benefits and disadvantages of some of the main specs.

This article will go through the key attributes to keep in mind when purchasing a rectangular summer sleeping bag. With a spacious design, rectangular sleeping bags are suitable for those who like plenty of room to stretch out. They feature double zippers, which allow you to turn the bag into a flat blanket, for hotter nights. Rectangular sleeping bags accommodate varying sleeping positions, making them ideal for people who have a preferred sleeping positions such as their sides or stomach. However, they are quite heavy, so they aren't convenient for when weight is the top priority. On top of that, they don't trap and heat the air around your body as well as other designs do, creating more room inside which can weaken the bag's ability to keep you warm. They feature a breathable design, keeping the temperature inside your bag cool and comfortable. Summer sleeping bags are less expensive, saving you some money while still providing exceptional quality. They have multiple ventilation options for warmer nights, which give sleepers a pretty large temperature comfort range.

Our Top Ranking Sleeping Bags:
Product NameBrandColorSize
Best Overall Score
1
An image of Snugpak Travelpak Traveler Paratex Light Sleeping Bag
Snugpak Travelpak Traveler Paratex Light Sleeping Bag
Snugpak
blue
single
Runner Up
2
An image of Alps Mountaineering Sundown 4900022 Fleece Sleeping Bag
Alps Mountaineering Sundown 4900022 Fleece Sleeping Bag
Alps Mountaineering
single
Best Affordable Option
3
An image of Naturehike Ultralight 50 Degree Cotton Sleeping Bag
Naturehike Ultralight 50 Degree Cotton Sleeping Bag
Naturehike
navy green
single
For Backpacking
4
An image of Sea to Summit Trek 041-RL-Parent Sleeping Bag
Sea to Summit Trek 041-RL-Parent Sleeping Bag
Sea to Summit
orange and black
single
For Cold Weather
5
An image of Forbidden Road Men's 30 Degree Polyester Pongee Sleeping Bag
Forbidden Road Men's 30 Degree Polyester Pongee Sleeping Bag
Forbidden Road
navy
single
Our Top Ranking Sleeping Bags
Customer Rating
Brand
Snugpak
Color
blue
Size
single
Customer Rating
Brand
Alps Mountaineering
Color
Size
single
Customer Rating
Brand
Naturehike
Color
navy green
Size
single
Customer Rating
Brand
Sea to Summit
Color
orange and black
Size
single
Customer Rating
Brand
Forbidden Road
Color
navy
Size
single
Best Overall Score
An image of Snugpak Travelpak Traveler Paratex Light Sleeping Bag

Let's review the Snugpak Travelpak Traveler Paratex Light Rectangular Sleeping Bag, a popular choice among online shoppers. This sleeping bag features a Paratex light lining and a polyester exterior, which is breathable and comfortable. It is lightweight, making long days out on the trail easier to handle. It has a rectangular shape, which offers you room to move around in your sleep as it is not cut close to the body.

This sleeping bag detaches via zippers, so you can split it into two separate sleeping bags. Good for summer, it is very thin and breathable since it does not need the same amount of insulation as winter or 3 season versions. It features a stuff sack and a mosquito net, designed for protection from insect bites when sleeping in the outdoors. Equipped with antibacterial technology, this sleeping bag prevents bacterial growth and eliminates unwanted odors.

    Pros
    • Mosquito net prevents insect bites
    • Stuff sack stores sleeping bags easily
    • Lightweight construction
    Cons
    • Rectangular shape is not very insulated
    • Polyester exterior is not great for extreme weather camping
    • Stuff sack can damage the sleeping bag's insulation after prolonged use
Runner Up
An image of Alps Mountaineering Sundown 4900022 Fleece Sleeping Bag

With the Alps Mountaineering Sundown Fleece Rectangular Sleeping Bag, you can experience an incredible night's sleep while on your trip. This Alps Mountaineering sleeping bag features a polyester exterior, and a fleece lining, which is made from synthetic fibers, making it easy to clean without wrinkling or damaging the material. It has a rectangular shape, which is non-tapered, allowing you freedom of movement in your sleep. This sleeping bag is ideal for camping and is lightweight, making long days out on the trail easier to tackle. Great for summer, it is very thin and breathable since it doesn't require as much insulation as winter or 3 season versions. It has a stuff sack, designed for conveniently fitting your sleeping bag into your backpack along with the rest of your equipment.

    Pros
    • Stuff sack stores sleeping bags compactly
    • Lightweight build
    • Fleece lining is easy to clean
    Cons
    • Fleece can stretch out
    • Rectangular shape is heavier than other shapes
    • Camping sleeping bags are heavier than backpacking bags
Best Affordable Option
An image of Naturehike Ultralight 50 Degree Cotton Sleeping Bag

Before purchasing the Naturehike Ultralight 50 Degree Cotton Rectangular Sleeping Bag, it's helpful to learn more. This Naturehike sleeping bag has a rectangular shape, which is great for those who like a bit of extra room. It is lightweight and is made for camping, giving you the necessary protection to comfortably sleep outdoors after the temperatures drop at night. It is designed from nylon ripstop shell material, so it lasts for a long period of time and it also has a cotton lining, which can be used a lot as this fabric can be cleaned without losing its color or strength.

This Naturehike sleeping bag is engineered with weather-resistant technology to protect against humidity during both hot and cold temperatures. Great for summer, this 3 season sleeping bag will maximize airflow and ventilation for your time spent in warmer weather. It is waterproof and can withstand 50°F temperatures, keeping you warm on colder summer nights. This Naturehike sleeping bag has a plush bottom, so you won't feel the bumps on the ground beneath you. It is made to be compact and has a compressible design, leaving you sufficient extra room to take along your other essentials.

    Pros
    • Made with a plush bottom
    • Folds up compactly, so you can travel without bulk
    • Designed to compress easily
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are heavier than hiking bags
    • 3 season sleeping bags are not suitable for harsh winter weather
For Backpacking
An image of Sea to Summit Trek 041-RL-Parent Sleeping Bag

If you're looking for a new sleeping bag, you might want to consider the highly rated Sea to Summit Trek Rectangular Sleeping Bag. This Sea to Summit sleeping bag has a rectangular shape, which is great for those who like room to stretch out. Great for summer, this 3 season sleeping bag will increase breathability and ventilation while spending time in warmer weather. It has 2D Permashell, which is a porous, water-resistant, very insulated fabric that is treated with DWR and will keep you warm and dry. This sleeping bag is lightweight and works well for backpacking trips, so it is compact and easy to fit in your pack, making it comfortable to carry no matter the distance.

    Pros
    • Lightweight build
    • Suitable for summer temperatures
    • Rectangular shape is built with extra space
    Cons
    • Rectangular shape is heavier than other shapes
    • 3 season sleeping bags are not suitable for harsh winter weather
For Cold Weather
An image of Forbidden Road Men's 30 Degree Polyester Pongee Sleeping Bag

Let's review the Forbidden Road Men's 30 Degree Polyester Pongee Rectangular Sleeping Bag, rated highly by online shoppers. This Forbidden Road sleeping bag has a rectangular shape, so you will have room to move around. Suitable for summer, this 3 season Forbidden Road sleeping bag will increase breathability and ventilation for your time spent in warmer weather. It is designed with a polyester pongee lining and it is built with a nylon ripstop exterior, resisting typical wear and tear. This Forbidden Road sleeping bag can withstand 30°F temperatures and is waterproof, keeping out moisture, so you won't end up soaked if it starts raining.

With a compressible design, this Forbidden Road sleeping bag will not take up all of the usable space in your backpack so you will have sufficient room to bring along other gear. It is lightweight and is made for camping, giving you insulation to comfortably sleep outdoors after the temperatures drop at night. This Forbidden Road sleeping bag is easy to carry and is easy to pack, so it can be folded into a practical size to save space in your bag. It features a compression bag, which gives you the perfect space to pack away your sleeping bag and any other small items.

    Pros
    • Designed to compress easily
    • Easy to pack sleeping bags roll up compactly
    • Features lightweight construction
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are bulkier than backpacking bags
    • 3 season sleeping bags are not suitable for harsh winter weather
For Sleeping Two
An image of Naturehike Blue Men's Double Lightweight Rectangular Sleeping Bag

Choose the Naturehike Men's Rectangular Sleeping Bag to stay warm in the outdoors. This Naturehike sleeping bag has a rectangular shape, which is perfect for those who like a bit of extra room. Designed in a double size, it will fit two campers, keeping you warm by sharing body heat. It is suitable for camping and is lightweight, making long days out on the trail easier to tackle. Ideal for summer, this 3 season sleeping bag is built with a light design that focuses on airflow and ventilation, which is intended for warmer temperatures. This Naturehike sleeping bag is waterproof, resisting moisture and keeping you dry in damp conditions. It has a stuff sack and two pillows, which give your head and neck the support it needs for a good night's sleep.

    Pros
    • Two pillows provide great neck and head support throughout the night
    • Lightweight build
    • Suitable for warm summer weather
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are heavier than backpacking bags
    • Double size is more difficult to carry for extended periods of time
Additional Picks
An image of Coleman Sunridge SS-SMS-765612 Men's Polyester Sleeping Bag

Trying to find an affordable sleeping bag? You'll want to hear all about the Coleman Sunridge Men's Polyester Rectangular Sleeping Bag. This sleeping bag has a rectangular shape, which is perfect for those who like room to stretch out. Good for summer, it will maximize breathability and ventilation for your time spent in warmer weather. It uses ComfortSmart technology, so it includes multiple comfort and convenience features such as zipper technology and added cushioning around your head. This sleeping bag features a polyester shell, which deflects UV light, preventing the color from fading, and a polyester lining, which is a synthetic fabric that is very durable and vibrant.

Perfect for camping, this Coleman sleeping bag gives you the necessary protection to comfortably sleep outdoors after the temperatures drop at night. It has a zipper guard, keeping the material from snagging in the zipper. It has a plush bottom, so you won't feel the hard ground beneath you. This sleeping bag has a roll control tab and is made to be easy to pack, making it a wonderful option if mobility and space are a key factor for you. It can be machine washed and has a quick cord for convenient one-person packing.

    Pros
    • Machine washable
    • Features a plush bottom
    • Quick cord designed for convenient one-person packing
    Cons
    • Polyester stains easily
    • Rectangular shape is not the warmest option
    • Camping sleeping bags are bulkier than hiking bags
An image of AEGISMAX Nylon Sleeping Bag

3.8 by user reviews

Use the AEGISMAX Nylon Rectangular Sleeping Bag to stay warm in the outdoors. This AEGISMAX sleeping bag has a rectangular shape, so you will have room to move around. It is designed from nylon ripstop shell fabric, so it lasts for a long period of time and it also features a nylon lining, which feels light and soft on your skin and will stay at a comfortable temperature. This AEGISMAX sleeping bag can be washed, so you can clean it to ensure your bag stays in the best condition. It is made to be compact and features a compressible design, giving you enough extra space to bring along your other equipment. Suitable for summer, this 3 season AEGISMAX sleeping bag is built with a thin design that focuses on breathability and ventilation, which is great for warm weather. It is lightweight and works well for hiking trips, so if you don't want to carry a lot of weight this could be a great choice for you. This AEGISMAX sleeping bag is easy to carry for convenient storage and transport.

    Pros
    • Washable
    • Folds up compactly
    • Compresses easily
    Cons
    • Nylon will pill with extended use
    • Rectangular shape is bulkier than other shapes
    • 3 season sleeping bags can not be used all year
An image of Big Agnes Yampa 45 Sleeping Bag

Use the Big Agnes Yampa 45 Rectangular Sleeping Bag to stay warm in the outdoors. This sleeping bag has a rectangular shape, which is spacious and offers more freedom of movement. It is lightweight and works well for camping trips, offering cozy warmth without adding a lot of weight. It has Downtek, so the air-trapping down clusters will remain protected from moisture, keeping you warm no matter the wet conditions. Featuring a compressible design, it fits easily into a hiking backpack or overnight bag. Ideal for summer, it is very thin and airy since it does not require the same amount of insulation as winter or 3 season sleeping bags. It has a built-in pillowcase, so have a designated space to hold a pillow, supporting your head and neck. It has a pillow pocket, which can easily store small items like a charger or other essentials.

    Pros
    • Features a built-in pillowcase
    • Designed to compress easily
    • Lightweight construction
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are bulkier than hiking bags
An image of Coleman Trinidad Kids 40 Degree Sleeping Bag

If you're looking to purchase a sleeping bag for your children, you will want to consider the highly rated Coleman Trinidad Kids 40 Degree Rectangular Sleeping Bag. This kids Coleman sleeping bag provides warmth and comfort for your children since the shape is cut to their smaller size. This sleeping bag has a rectangular shape, so kids will have room to move around. It has a polyester shell, which is light and comfortable.

Perfect for camping, this Coleman sleeping bag gives your kids the necessary protection to comfortably sleep outdoors after the temperatures drop at night. With ComfortSmart technology, it includes multiple comfort and convenience features such as zipper technology and added cushioning around your kid's face. It is ideal for temperatures around 40°F, keeping your kids warm on chilly summer nights. Ideal for summer, it is very thin and breathable since it does not require the same amount of insulation as winter or 3-season versions.

This Coleman sleeping bag features a roll control tab, which keeps the sleeping bag in place while packing it up. It is made to be easy to pack, making it a wonderful option if mobility and space are your main concern. It has a quick cord, which is a no-tie closure making it easy to pack. It is machine washable and it is equipped with a zipper guard, keeping the fabric from snagging in the zipper.

    Pros
    • Can be machine washed
    • Quick cord makes it easy for one person to fold up the bag
    • Zipper guard prevents the material from tearing
    Cons
    • Rectangular shape is not very insulated
    • Camping sleeping bags are more difficult to carry than hiking bags
    • Polyester shell is not very durable
If You Need Help Deciding, Here's Some Additional Information About Rectangular Summer Sleeping Bags:
Differentiating Between the Sizes for Rectangular Summer Sleeping Bags
Double Sleeping Bags

If you're looking for a rectangular summer sleeping bag in double, then we are happy to show you this highly rated sleeping bag. Double sleeping bags come with a design that is great for two people, which makes them great for winter getaways. Something to keep in mind is that they take up a bit more space, making them less ideal for backpacking pursuits. An advantage is that they are good for car camping, taking full advantage of all the space in the car.

Single Sleeping Bags

It can be hard to decide on the right size for your rectangular summer sleeping bag. We're here to help you think about the perfect choice for you. These sleeping bags are lighter than double sleeping bags, so they are great for when you want to save space and move fast. They have enough space for one, providing excellent heat efficiency to the sleeper inside. Single sleeping bags are designed to be compact, so they'll fit easily in your pack, even if you are short on space. If you feel like a single size is the perfect choice for your rectangular summer sleeping bag, you can see if you'd like to get this one.

Rectangular Summer Sleeping Bags Come in Different Temperature Ratings
30 Degree Sleeping Bags

If you're looking for a rectangular summer sleeping bag with a 30 degree rating, then you should take a look at this great sleeping bag. 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 more affordable than sub-zero degree bags, making them perfect if you're shopping on a budget. They provide the perfect amount of insulation for 3 season use, so they are one of the most versatile options out there.

40 Degree Sleeping Bags

There are a few things to keep in mind when it comes to deciding on the right temperature rating for your rectangular summer sleeping bag. We're here to help you think about the perfect choice for your next outdoor adventure. These 40 degree sleeping bags should keep you comfortable down to 40°F. They are ideal for warm weather trips, so you won't feel stuffy and uncomfortable if a hot front comes through. 40°F sleeping bags are more affordable than sub-zero degree bags, so you can purchase one without feeling worried about going over your budget. If you are considering getting a 40 degree rating rectangular summer sleeping bag, check out this awesome one.

50 Degree Sleeping Bags

It's not easy deciding on the right temperature rating for your rectangular summer sleeping bag. We're here to help you think about the perfect choice for your next outdoor excursion. These 50 degree sleeping bags should keep you comfortable down to 50°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 more affordable than sub-zero degree bags, so you can buy one without feeling worried about going over your budget. They are ideal for warm weather trips, providing comfortable ventilation and breathability for hotter nights. If you think that you want to get a 50 degree rating rectangular summer sleeping bag, you can see if you'd like to get this one.

Pros and Cons of Different Liner Materials for Rectangular Summer Sleeping Bags
Fleece Sleeping Bags

Are fleece sleeping bags the best fit for you? Take a look at this particular rectangular summer sleeping bag with a fleece liner that we picked out for you. Fleece sleeping bags are designed to be insulated, so they retain your body heat very well, keeping you cozy regardless of the weather. They are very soft, 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. They are extremely durable, so they will not pill or fray after a lot of use. They dry quickly, so even in the wettest conditions, they hardly absorb any moisture.

Polyester Sleeping Bags

There is only one rectangular summer sleeping bag that has a polyester liner. These sleeping bags are designed to be hypoallergenic, so they are ideal for those with allergy sensitivities. They are designed with durable materials, so they will not unravel or tear with extended use. They are easy to clean, so with just a damp cloth and a little soap you can keep them in great shape. They are made with breathable material, providing a cool solution for warmer nights. They dry quickly, so even in the wettest conditions, moisture will not soak the fabric. Ready to decide on the right rectangular summer sleeping bag for you? Get started here.

Poly Cotton Sleeping Bags

There is only one rectangular summer sleeping bag that has a poly cotton liner. Poly cotton sleeping bags are made with breathable material, so heat is distributed evenly, making them great when the weather forecast is unpredictable. They are easy to clean, so you won't have to spend money and time on dry cleaning. They are designed with durable materials, so they will not unravel or tear with extended use. They dry quickly, so even in the wettest conditions, moisture will not soak the fabric. Now that you know a bit more about poly cotton, take a look here.