Kelty Cosmic 0 Degree Down Sleeping Bag Review


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The No 1 Stop: Kelty Cosmic 0 Degree Down Sleeping Bag

Kelty Cosmic 0 Degree Down Sleeping Bag Zip OpenIn more ways than one, the Kelty Cosmic 0 Degree Down Sleeping Bag brings the ultimate in quality and comfort in the category of sleeping bags.

The Kelty Cosmic down sleeping bag is outstanding in terms of shape, warmth, strength, and durability. This sleeping bag offers optimum comfort from the high quality materials used and in its design in temperatures down to 17 degrees F or -18C.

Its impressive warmth retention capacity is based on 550 fill power down, an insulated draft tube with anti-snag design, form-fitting hood, and a differential cut in the mummy styled bag.

The Kelty Cosmic’s extraordinary capacity to eliminate cold spots makes it truly remarkable. In comparison, the strength, utility, and quality of this sleeping bag is virtually consistent with the TETON Sports Celsius Sleeping Bag.

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Features Of The Kelty Cosmic 0 Degree Down Sleeping Bag

The quality of the Kelty Cosmic 0 Degree Down is largely dependent on the 550 fill of hydrophobic down, which is rated to a lower limit of 4 degrees F or -16 C, and the insulated draft tube with an anti-snag design, which plays a central role in warmth retention.

The performance of the insulated draft tube works well with the top draft collar and form-fitting hood to retain and distribute heat in regulated uniform manner. The form-fitting hood is easy to adjust with the captured cord lock and Fatman and Ribbon(tm) draw cords, which have distinctive feel so you can determine which cord controls the top and bottom of the hood while it is dark.

The outer shell is made from 50D taffeta and is 100% polyester. This is a bag which is easy to keep clean and the high density polyester keeps moisture out.

The Kelty Cosmic 0 Degree Down Sleeping Bag is available in 2 lengths:

  • 6 Foot
  • 6 Foot, 6 Inch

  enabling users of different heights to fit into the sleeping bag without difficulties.

The Kelty Cosmic 0 Degree Down Sleeping Bag dual slider zipper

Getting into and out of the Kelty Cosmic Down Sleeping Bag is easy and hassle-free because of the 58” dual slider zipper. The uniquely designed zipper is made from high quality materials, ensuring enhanced performance and durability.

Moreover, the zipper has a dual aspect, which makes it easy to open up the sleeping bag for aeration and cleaning. As a result of this feature, the Cosmic Sleeping Bag is easy to maintain and repair as compared to many other products on the market.

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The Fatman and Ribbon Draw Cords

One of the impressive aspects about the Kelty Cosmic 0 Degree Sleeping Bag is the efficient control of the hood. The Fatman and Ribbon draw cords work together with the captured cord lock to control the top and bottom of the Kelty’s hood in accordance with the preferences of the users.

These cords are uniquely designed with well-defined features and a distinctive feel, making it possible for manipulation in low light or  in pitch darkness.

Kelty Cosmic 20 Degree Sleeping Bag


  • 50D polyester taffeta shell
  • 50D polyester taffeta liner
  • 550 fill power Hydrophobic DriDown™
  • Thermal-comfort hood with FatMan and Ribbon™ drawcords
  •   58 in. dual-slider, locking zipper
  • Zipper draft tube with anti-snag design
  • Stuff sack included
  • Full draft collar
  • Internal liner loops for holding the inner liner in place.
  • Comes in 2 sizes to fit the body needs of users.
  • Variable temperature rating of “comfort” and “lower limit.”
  • Enhanced coziness for maximum comfort
  • Highly portable because of its small size and manageable weight.

Kelty Cosmic 0 Degree Down Sleeping Bag Customer Reviews

This product has many happy customer reviews with a 4.5 out of 5 star rating. Many customers appreciated the high level of quality of comfort and warmth, which they found suited a wide variety of weather conditions.

Others liked the high quality performance of the zipper and the cords, which make it easy to manage the sleeping bag.

There was also a high level of customer satisfaction with regard to the strength and quality of the materials used.

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Responses from some customers revealed that a few of them were not entirely comfortable with the size of the product. They felt that the sleeping bag is relatively small in comparison to other sleeping bags on the market.  Others thought the 3/4 zipper was a bit tough to manipulate.

 Kelty Cosmic 0 Degree Down Sleeping Bag Conclusion

The Kelty Cosmic 0 Degree Down Sleeping Bag is a combination of quality, aesthetics, and durability. Kelty has listened to its consumers and produced a product which is durable, guarantees comfort and more than adequate warmth compared to the other bags on the market.

It can be used at home as well as outdoor environments of camping and hiking. In short, the Kelty Cosmic 0 Degree Down Sleeping Bag is a great solution for your sleeping bag needs.

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