Chilkoot 15° is the lighter of the two by 114 g (4.0 oz).
Cosmic Down 20 Sleeping Bag lists for $460.05 less at the manufacturer's price.
Cosmic Down 20 Sleeping Bag
Chilkoot 15°
As an Amazon Associate I earn from qualifying purchases.
Weights and prices are the manufacturer’s published figures. The lower weight and the higher R-value are highlighted.
| Cosmic Down 20 Sleeping Bag Kelty | Chilkoot 15° Stone Glacier | |
|---|---|---|
| Weight | 39.0 oz | 35.0 oz |
| MSRP | $189.95 | $650.00 |
| Temperature rating | 20°F / -7°C — manufacturer's stated rating (Kelty), not independently tested; the maker publishes no ISO 23537 or EN 13537 figure | — |
Source not recorded.
“Kelty's Cosmic Down 20 is a 550-fill-power down mummy bag in a semi-rectangular cut, 1106 g in the Regular length. Fill power measures the loft of a given mass of down: 550 is a modest figure, so the bag reaches its rating with more down mass and therefore more weight than an 800-fill bag would. Kelty publishes a 20 F rating as its own number and does not publish ISO 23537 comfort or limit figures, so it cannot be compared directly with bags that do.”Full specs and prices for the Cosmic Down 20 Sleeping Bag →
Source not recorded.
“SPECS Weight - 2 lbs. 3 oz. Shoulder Width: 32" Hip Width: 24" Foot Box: 18" 15 Denier Pertex® Quantum Shell 850+ Fill Power HyperDRY™ 90/10 Grey Goose Down 22.4 oz.”Full specs and prices for the Chilkoot 15° →