Active outdoor pursuits such as hiking, camping, and backpacking are fun, relaxing, and are ideal R&R ideas. With all the excitement and adrenaline, you must make sure you get proper rest and sleep. Just because you are in the outdoors, it doesn’t mean that rest is impossible.

Rectangular sleeping bags offer an excellent solution to making sure you have proper rest and sleep. These outdoor gems provide extra space that other sleeping bags don’t, allowing you the same comfort you would get at home. Whether it is cold or warm, rectangular sleeping bags are ideally designed to adapt to the conditions.

Listed below are the 10 best rectangular sleeping bags in 2022 — each outlining their unique features and capabilities. The choice is all yours to go for a unit that captures your attention the most.

How To Choose A Rectangular Sleeping Bag – Buying Guide


Temperature Rating

When choosing the best rectangular sleeping bag, temperature rating is an important factor to consider. Temperature rating helps you choose the right sleeping bag that would fit and be useful in the conditions you plan to use it in.

Temperature rating is denoted by degrees Celsius or Fahrenheit. When choosing the best semi-rectangular sleeping bag or rectangular sleeping bag, you can easily tell if it’s ideal for you or not by gauging the temperature to which the bag can provide warmth to you. Typically, rectangular and semi-rectangular sleeping bags will work in a range of -20 degrees Celsius to 5 degrees Celsius plus.

Related Post: How To Choose A Sleeping Bag


The insulation in your sleeping bag will determine its performance to keep you warm. The best semi-rectangular sleeping bags and rectangular sleeping bags feature insulation in the form of filling such as hollow cotton fibers, down, and synthetic insulation.

Whilst synthetic fillings tend to be more breathable, natural filling such as cotton and down tend to be highly thermal thus, providing more warmth. For extreme cold conditions, cotton and down fillings are an ideal choice of insulation.


Because you intend to use your sleeping bags in outdoor activities such as hiking, backpacking, or camping, the best semi-rectangular sleeping bags, and rectangular sleeping bags must be lightweight. However, you don’t want your sleeping bag to be so light that it loses its functionality.

Related Review: Backpacking Sleeping Bag

At the same time, you don’t want it to be too heavy that it weighs you down. An ideal choice of sleeping bag will weigh no more than 5lbs. It is also a good idea to interlink your features to better understand the sleeping bags’ performance.

Packed Volume

The packed volume of your sleeping bag is also an important factor to consider. Unlike the popular notion that ultralightweight means less volume, this is not the case. You can have an ultralight sleeping bag that doesn’t pack down well because it features a bulky construction.

It is important to know the packed volume (when it is compressed in its storage bag) to know whether the sleeping bag works for you or not.


The best semi-rectangular sleeping bags and rectangular sleeping bags come with added features that help enhance their functionality. Some of the commonly added features include:

  • Neck and zipper draft tube to prevent heat loss
  • ZipPlow system to prevent snag when zipping or unzipping the sleeping bag
  • Roll control to allow for easy one-person packing of the sleeping bag
  • Top collar to enhance warmth in colder conditions
  • dual zipper system for left and right-hand operation


You want your sleeping bag to be protective because you will be using it outdoors. Some of the best semi-rectangular sleeping bags and rectangular sleeping bags are water-resistant whilst others are waterproof. Yes, there is a difference between water-resistant and waterproof. Although both work great, waterproof sleeping bags are a better choice because they will fully shield you from rain.

Fill Power

Fill power measures the volume of your insulation filling. The more the volume the warmer your sleeping bag will be. If you want high-quality filling always go for a higher fill power. A fill power of at least 600 fill is ideal. The Aegismax UL Rectangular Sleeping Bag, for example, boasts an 800 fill down goose insulation which makes it ideal for cold-weather backpacking.



Q: Why Choose Rectangular Sleeping Bag?


A rectangular sleeping bag offers the most comfort when compared to other shaped sleeping bags. They offer more room, allowing you to spread out and sleep in a more natural position. Some of the best rectangular sleeping bags are ideally designed to accommodate larger framed or taller individuals.

Q: What is the Difference Between a Regular and Rectangular Sleeping Bag?


The difference between a regular and a rectangular sleeping bag is that a rectangular sleeping bag tends to be more spacious. However, due to their spacious and more open design, they are not as effective at heat retention as regular sleeping bags — especially mummy-shaped ones.

Globo Surf Overview

The rectangular sleeping bag reviews outline how handy this shape of a sleeping bag is in the outdoors. From the extra space they provide to their versatile temperature and environmental adaptability, they are definitely worth the investment.

The buying guide should have outlined what to look for in the best rectangular sleeping bags to ensure you invest in one that meets your needs. The list of the 10 best above is an excellent resource to choose your ideal match and it guarantees to find everyone’s match.

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Globo Surf
My name is David Hamburg. I am an avid water sports fan who enjoys paddle boarding, surfing, scuba diving, and kite surfing. Anything with a board or chance I can get in the water I love! I am such a big fan I decided to start this website to review all my favorite products and some others. Hope you enjoy!