What is the Best Rectangular Down Sleeping Bags in 2024

When we were looking for the best rectangular down sleeping bag, we had to make sure to get something that was super portable, waterproof, spacious and durable. Now, our team had to research on a lot of products, but unfortunately few of them satistied us.

We thought we could hunt down at least 10 sleeping bags, but to be honest, we only found 5. These rectangular down sleeping bags had all the features we wanted in them. Plus, they are affordable as well.

So we have detailed our reviews along with their key features and much more.

Best Rectangular Down Sleeping Bags

Top 5 Best Rectangular Down Sleeping Bags Reviews

Rectangular down sleeping bags are an excellent way to ensure that you get enough and proper rest. In addition, these sleeping bags are perfect for adapting to the weather, whether chilly or humid.

However, if you are running short on time to read all reviews, let us help you by stating that our top pick from the list is the ECOOPRO Sleeping Degree Power Down Sleeping Bag.

ECOOPRO down sleeping bag does not only have a great material combo of nylon and cotton, but it is also super lightweight. Additionally, this sleeping bag is designed to accommodate at least two adults and a child, which makes it perfect for family camping trips.

Now, let’s go over the best rectangular down sleeping bags that we picked out for you!

1. ECOOPRO 32 Degree 800 Fill Power Down Sleeping Bag for Camping

ECOOPRO 32 Degree 800 Fill Power Down Sleeping Bag for CampingThe ECOPRO lightweight rectangular down sleeping bag is a perfect option when camping with the family. It weighs only about 1.7 pounds and 11″. It is made into a compact size that is slightly bigger than a conventional thermos-once placed into the supplied bag and deflated with the decompression straps.

We loved the material content of this sleeping bag since it comprises TC fabric cotton and light polyester for the inner designs. On the other hand, the outside is made with nylon fabric to keep your bag waterproof no matter how humid or damp the weather might get.

The ECOOPRO sleeping bag is also more specifically recommended for summer trip purposes. This is because it will keep you comfortable with temperatures within 55-60 degrees of Fahrenheit.

Feature Highlights
  • Super portable with ultra-lightweight of only 1.7lbs; fits easy
  • Offers comfort in warmer temperatures
  • Made with waterproof Nylon and comfortable TC cotton
  • Lining can be replaced
  • Suitable for taller people as well

Down Sides

  • Not winter-friendly; more suitable for summer trips
  • Zipper might snag a bit

The ECOOPRO down is the best budget down sleeping bag as it will accommodate a family of parents and two children on a trip, one bag and one price for all of it! The high quality of sacks and zippers with accessible foldable features of this sleeping bag will make your family trip memorable.

2. REDCAMP 800 Fill Goose Ultralight Down Sleeping Bag for Backpacking

REDCAMP 800 Fill Goose Ultralight Down Sleeping Bag for BackpackingThis rectangular down sleeping bag for backpacking trips would be your perfect travel buddy ever during those summer camp runs! The REDCAMP Ultralight-down sleeping bag is super lightweight, as the name suggests.

Portability would be the least of your worries with this bag right here. The compressible weight will never hold you back from excelling in your adventures. Another excellent convenience REDCAMP offers are the two-weight sizes this bag comes in. So carry it inside your bag pack/suitcase at your comfort.

The material components uniquely comprise 210D polyester fabric, offering warmth and enabling snug. If you specifically go for the 60-degree bag, you will get more convenience during winter due to the spinning cotton fabric stuffing. Otherwise, the bag would work without weather conditions ranging from 59 to about 77 degrees.

Feature Highlights
  • It can be attached with other REDCAMP bags with a zipper
  • Spacious with dimensions of 7.9” x 4.7″ / 20 x 12cm; fits tall people
  • Durable with polyester fabric
  • Ultra-lightweight of 1.7lbs enables portability


  • Not water resistant
  • It might show zipping issues

Even though this bag is an excellent pick for anyone, most women significantly prefer it for usage. This goose-down sleeping bag from REDCAMP not only offers great material content but can also be used as a makeshift blanket for you when not zipped.

3. Naturehike Ultralight 800 Fill Power Down Sleeping Bag for Hiking Camping

Naturehike Ultralight 800 Fill Power Down Sleeping Bag for Hiking CampingThe Ultralight Down Filled sleeping bag from Naturehike will wrap you like a loved one after a tiring camp day as you sleep your best. Its envelope-shaped design complements the mentioned feature where the bag enables you to sleep with utmost comfort, just like at home.

Aligning with its name, this rectangular sleeping bag is super lightweight and easily compressed to a tinier size. You can carry it anywhere while moving. It also comes in Large and Extra Large lengths for you to pick from. It will work pretty well in temperatures of 41 to about 59 degrees.

Moreover, you would love to have this bag when traveling with a partner as the bag uniquely can be folded out to make a double-spaced sleeping bag!

Feature Highlights
  • Lightweight and easily portable with only 1.7lbs of weight
  • Can be made into a double-spaced bag with room for two
  • 800 fill power to offer warmth during chilly weather
  • Multi-purpose; can be used as a mat when unzipped
  • High-quality material like TC cotton offers durability


  • Not waterproof
  • It might need to be used with extra layers to avoid cold weather

Versatility meets durability with this goose-down sleeping bag from Naturehike as it is only 2 pounds and consists of the rich material content of premium TC cotton stuffing.

4. OmniCore Multi Down Hooded Rectangular Sleeping Bag

OmniCore Multi Down Hooded Rectangular Sleeping BagThis exceptional negative-degree cold weather sleeping bag from OmniCore is truly a product of innovation. It is the perfect company to have beside you when you go hunting or camping during the winter days. The bag can help you be in temperatures of even -10℉ / -23.3℃!

It is not only lightweight, but it also uses multiple down insulations. You are probably now already convinced about the warmth this bag offers. Surprisingly, OmniCore outdid itself by making the bag with duck plumage and synthetic materials to fit all weather conditions.

The 3D-styled multi hooded features enable great comfort, while the 650 powered down stuffing allows more than average warmth when you are camping in the chilly outdoors, this 0-degree rectangular down sleeping bag is undeniably one of the versatile sleeping bags out there.

Feature Highlights
  • Multi hooded with 3D boxes
  • Extra duck plumage offers warmth
  • Specifically made to work during the negative chilly weather
  • Durable and resistant to chill due to synthetic and down fillings
  • Portable because of lightweight; compressible into bags


  • Zipper might snug
  • Sometimes the insulation is not warm enough for cold-sensitive people

This Multi Down Hooded rectangular down sleeping bag is undoubtedly a wise pick when planning outdoor adventures during the holiday season. It will stay well no matter how damp or cold it gets outside, thus, enabling you to sleep tight!

5. Kelty Galactic Lightweight 550 Fill Down 30 Degree Down Sleeping Bag

Kelty Galactic Lightweight 550 Fill Down 30 Degree Down Sleeping BagLastly, the Kelty rectangular sleeping bag’s Galactic model is very much preferred by people who love to camp inside their cars. And no, that does not mean that the bag is not suitable for backpacking; it indeed is a master of all trades!

DriDown insulation with a hydrophobic finish offers warmth while resisting any damp weather conditions.

This bag is lightweight with a 600 fill down to keep you warm while also offering you ease of movement. In addition, there is a two-sided zipper that helps you vent your legs comfortably.

Feature Highlights
  • Lightweight and easy to carry
  • Suitable for car camping
  • Down filling offers great warmth during winter
  • Anti-snag zippers offer the convenience of usage
  • Simple yet creative design


  • Comparatively more expensive
  • Could add more features

This 30 Degree Down Sleeping Bag from Kelty is an excellent choice for in-car and outdoor camp trips. While it might fall a bit on the pricey side, the money would ultimately be worth it when you sleep inside your car with comfort.

Additional Reviews

Top 3 Best Woman’s Down Sleeping Bags

While we have elaborated on our Top 5 picks for best rectangular downs sleeping bags, below we have also put together some suggestions for all the ladies’ comfort and convenience!

1. Kelty Women’s Cosmic 20 Degree Down Sleeping Bag for Backpacking

Kelty Women's Cosmic 20 Degree Down Sleeping Bag for BackpackingWe all remember doodling those shapes with a million sides and edges in geometry class, don’t we? But, little did we know back then, the trapezoidal is the ideal shape to retain heat and keep you cozy.

We believe the Kelty Cosmic Down 20 might be the best 20 degrees down sleeping bag for women in the market right now. We found the Cosmic down to be very thermally efficient and lightweight, and overall, very convenient to use. In addition, the bag kept was warm and snuggly all night long.

The fabric was smooth and soft, plus the zipper felt terrific to use. The extra space down the bottom of the bag for our toes to wiggle about is another worthwhile addition.

Feature Highlights
  • Very thermal efficient
  • Lightweight for easier carrying
  • Health and environmentally friendly materials used.
  • Stash pockets inside the bag to phones, lamps, and other necessities
  • Dual slider for easier ventilation


  • It might feel too tight for bigger people; even with the spacious feet box

We felt Kelty Cosmic Down 20 was an amazing sleeping bag even with the size issue. The smooth zippers and the stash pockets are minor perks but add a much more excellent experience.

2. Hyke & Byke Eolus 0 F Hiking & Backpacking Down Sleeping Bag

Hyke & Byke Eolus 0 F Hiking & Backpacking Down Sleeping BagHyke & Byke is pretty famous in producing the lightest and most premium sleeping bags in the market. Thus, our second pick of this list is the Eolus Sleeping bag. Is it the best four seasons sleeping bag available out there? Let’ see.

These sleeping bags are manufactured to minimize weight and space without compromising their function. The fabric itself is waterproof, and it traps heat quite efficiently to keep you all warm and cozy throughout the night.

As the name suggests, it will keep you warm in temperatures approaching 0 degrees, and yes, we have tested it out, so you do not need to! In addition, it is ultralight, so it will not break your back, hauling it up a hill.

Feature Highlights
  • Ultralight and not very space consuming
  • Supreme warmth to weight ratio
  • Nylon shell is comfortable and provides a good night’s sleep
  • Zippers and Velcro feel fantastic to use


  • The stuffing is not distributed evenly

Hyke & Byke Backpacking Sleeping Bag is perfect if you are looking for an easy-to-carry and lightweight sleeping bag. The features feel good to use, and it keeps you warm in shallow temperatures as long as you do not mind the uneven stuffing from time to time.

3. Nemo Disco Insulated Down Sleeping Bag for Men’s & Women’s

Nemo Disco Insulated Down Sleeping Bag for Men's & Women'sIf you are in the market for a sleeping bag rich in features, we recommend you look no further than this Nemo Disco down sleeping bag.

Where do we even begin with this one? For starters, it comes equipped with ThermoGills, which vents body heat efficiently while not letting cold drafts in. We also loved the Blanket Fold for its comfort and temperature regulation capabilities.

The Classic Spoon shape of this bag makes room for elbows and knees for a much more comfortable sleep after a long day of hiking. Thanks to the double-sided zippers, you can also zip two of these together. This combination makes the bag our pick for the one of the best down-insulated sleeping bag for women and men.

Feature Highlights
  • The Classic Spoon shape adds much-needed flexibility for keens and elbows
  • The insulation offers extra warmth during chilly seasons
  • ThermoGills and Blanket Fold for a much better sleep
  • Double-sided zippers to join two sleeping bags


  • It lacks color variety, especially when it advertises to men and women

Nemo Disco Insulated Down Sleeping Bag is the most feature-rich sleeping bag on here, and these features add up for a much more comfortable experience as long as you do not mind the lack of color variety.

Frequently Asked Questions

  1. Are down sleeping bags good?

Indeed, they are easier to compress and fit inside bags and even provide more warmth.

  1. How long do down sleeping bags last?

If taken proper care of and maintained well, down sleeping bags will last for about 15 years.

  1. Is down warmer than wool?

Yes, they are a great provider of warmth and entirely organic.

  1. Does down lose its warmth over time?

Yes, excess usage of down materials might lead to its loss of warmth overtime.

Final Words

While rectangular sleeping bags might seem heavier than the classic mummy-like sleeping bags, they also offer way more space and comfort.

We hope that now you can pick your preferred choice from one of the above suggested best rectangular down sleeping bags! Good luck with your adventures, sleep well.

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