Cosmic 20 Down Sleeping Bag vs Trek Down Sleeping Bag

Cosmic 20 Down Sleeping Bag is the lighter of the two by 104 g (3.7 oz).

Cosmic 20 Down Sleeping Bag lists for $204.05 less at the manufacturer's price.

Per ounce carried, Cosmic 20 Down Sleeping Bag costs less: $4.15/oz against $8.62/oz.

Weights and prices are the manufacturer’s published figures. The best value in each row is highlighted.

Cosmic 20 Down Sleeping Bag

Kelty

Trek Down Sleeping Bag

Sea to Summit

Weight
38.6 oz
42.2 oz
MSRP
$159.95
$364.00
Temperature rating
20°F / -7°C — manufacturer's stated rating (Kelty), not independently tested; the maker publishes no ISO 23537 or EN 13537 figure
30 °f | -1 °c (ISO 23537, tested by Sea to Summit)
Price per ounce
$4.15/oz
$8.62/oz
Retailers
1
2

Cosmic 20 Down Sleeping Bag

The Cosmic 20 is Kelty long-running value down bag, delivering real 20-degree down warmth at a price that undercuts premium brands. Water-resistant DriDown keeps loft when damp, and the mummy cut with draft tube seals in heat for three-season backpacking.

Full specs and prices for the Cosmic 20 Down Sleeping Bag

Trek Down Sleeping Bag

Trek Down Sleeping Bag If you've ever wished for a less-constrictive sleeping bag that keeps you comfortable in a variety of cool-to-warm conditions, the Trek may become your go-to bag.

Full specs and prices for the Trek Down Sleeping Bag