Kelty Cosmic Down 41 Review

Kelty Cosmic Down 41 Degree Sleeping BagWhen the trail calls out to you, the only thing that you can do is answer! One thing that all backpackers know is that you always need to be fully prepared before you head out into the great outdoors.

So what does this preparation entail? The answer is simple; quality gear. A quality sleeping bag in particular is not a luxury but a necessity, and without one you will find yourself freezing in your tent.

That is where the Kelty Cosmic 41 comes in. This down sleeping bag provides spectacular value for the price, ensuring that you will sleep like a baby each time you enter the best sleeping bag.

Kelty Cosmic Down 41 Review

The restyled sleeping bag offers all of its user’s warmth and comfort throughout the night, which is what you should look for in your sleeping bag.

Additionally, this lightweight, waterproof, and rugged sleeping bag promises to faithfully accompany you through your toughest camping trips. So if you are looking for more information, continue reading the Kelty Cosmic Down 41 Reviewbelow.

Who is it made for?

The Cosmic Down 41 has been primarily made for backpackers. This sleeping bag is not made to accompany you through the coldest winter nights; instead it is made for camping in warm weather.

Feature of Kelty Cosmic Down 41

Kelty Cosmic Down 41 is designed to meet the needs of the consumers. After hours of research, testing and analyzing the features, we put Kelty Cosmic is a one of the best in our Cosmic List.

Quality Construction

The Cosmic Down 41 has been crafted with a rugged 50D polyester taffeta shell, which can repel water and condensation, for a dry night.

Furthermore, the sleeping bag has a 50D polyester taffeta liner which is soft, comfortable, and breathable, for an enjoyable night.

Warm and Comfortable

Warmth and comfort are the two most important factors in a sleeping bag.

The Cosmic 41 has 550-fill-power DriDown insulation, which can keep you cozy in temperatures as low as 41 degrees. This lightweight duck down insulation will retain your body heat so that you are never left freezing.

The easy to compress sleeping bag also has a foot box for wiggle room, and a baffle construction which gets rid of those annoying cold spots.

Simple Hood Design

Kelty Tuck 22 Sleeping Bag ReviewNo one likes to have a cold neck and shoulders as they are trying to sleep. This kind of discomfort will keep you up all night! That is why the Cosmic 41 has a formfitting hood, which uses FatMan and Ribbon draw cords to make adjustments.

This hood therefore ensures that your entire neck and shoulder region is kept nice and warm during the night.


There are three types of loops that come with the Cosmic 41; internal loops, pad loops, and hang loops. These loops work to increase the warmth of the sleeping bag, secure your pad to your sleeping bag, and easily dry and store your bag.

Great Zipper

In most sleeping bags the zipper is the weakest feature. Thankfully this is not the case with the Cosmic Down 41. This bag has a 60 inch dual-slider zipper, with anti-snag and locking properties.

Furthermore, there is a draft tube that prevents cold air from seeping through the zipper.

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  • Sleeping bag is not confining
  • Lightweight construction
  • Functional
  • Compressible
  • Inexpensive


  • Stuff sack is too small

Features at a Glance

  • Comfort and Thermal Hood
  • Stuff Sack Included
  • ThermaPro synthetic insulation

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Frequently Asked Questions (FAQ)

Q. What are the dimensions of the Kelty Cosmic Down 41?
A. This bag come in two sizes; regular and long. The regular sleeping bag has a fill weight of 12 oz, a total weight of 1 lb 12 oz, and a stuffed size of 7 inches by 12 inches, and it can fit individuals up to 6 ft.
The long size has a fill weight of 13 oz, a total weight of 1 lb 14 oz, and a stuffed size of 7 inches by 12 inches, and it can fit individuals up to 6 ft 6 inches.

Q. How small does this sleeping bag compress to?
A. A stuff sack of 8-10 liters has the ability to compress the regular size sleeping bag to 6.2 liters, and the long size sleeping bag to 7.9 liters.

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Final Verdict

As you can see, the Kelty Cosmic Down 41 has all the features that you need in a summer sleeping bag. And seeing that the summer season is upon us, I urge you to buy this bag and hit the outdoors for some fun and wild nights.

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