The Cosmic 50 (synthetic) has been discontinued. If you're looking for something new, check out the best warm weather synthetic sleeping bags for 2020.

photo: Kelty Cosmic 50 (synthetic) warm weather synthetic sleeping bag


Price Historic Range: $24.98-$69.95
Reviewers Paid: $30.00-$50.00


2 reviews
5-star:   1
4-star:   1
3-star:   0
2-star:   0
1-star:   0

Excellent, cheap, warm enough for summer and small.

Price Paid: $30

Well I got this 'bag for my 14th birthday and I was most impressed by the ease it reaches its size. It seems that many bags can be compressed well, but have to be coaxed in the stuff sack. This one is not like that. All you have to do is, naturally, "stuff" it in. It is extremely comfortable.

The only con (no matter how nit picky this may sound) is when used with a Therm-a-rest Ridgerest, it is loud. and squeaky! But all in all a very good bag, hence the 5 stars.

Design: mummy
Fill: synthetic
Temperature Rating: 50 degrees f
Price Paid: $50

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