Kelty makes 13 sleeping bags in our database, ranked below by GearScore, our data-driven overall rating. The Cosmic Down 20 leads at 81. The lightest is the Cosmic Down 40 at 1.6 lb, and the warmest is the Cosmic Down 0, rated about 15°F. Prices run from $60 to $310.
| Product | GearScore (Default) | Style | Fill | Comfort | Weight | W/wt | $ / warm | Packed | Fill Pwr | Price | Rating | Buy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 81 | Bag | Down | 31 °F | 2 lb 7.0 oz | 3.5 /100g | $5 /warm | 10.7 L | 550 FP | $190 | Lab · ISO 23537 | Buy | |
| 62 | Bag | Synthetic | 30 °F | 2 lb 13.0 oz | 3.1 /100g | $3 /warm | n/s | n/s | $110 | Maker rating | ||
| 61 | Bag | Down | 30 °F | 3 lb 0.0 oz | 2.9 /100g | $6 /warm | n/s | 550 FP | $230 | Maker rating | ||
4 | 61 | Bag | Synthetic | 30 °F | 3 lb 1.0 oz | 2.9 /100g | n/s | n/s | n/s | n/s | Maker rating | Buy |
5 | 60 | Bag | Synthetic | 30 °F | 3 lb 3.0 oz | 2.8 /100g | $2 /warm | n/s | n/s | $79.95 | Maker rating | |
6 | 55 | Bag | Down | 15 °F | 4 lb 5.5 oz | 2.8 /100g | $6 /warm | n/s | 550 FP | $310 | Maker rating | |
7 | 52 | Bag | Down | 50 °F | 26.1 oz | 2.7 /100g | $7 /warm | n/s | 550 FP | $140 | Maker rating | |
8 | 50 | Bag | Synthetic | 30 °F | 6 lb 0.0 oz | 1.5 /100g | $4 /warm | 38.2 L | n/s | $180 | Maker rating | Buy |
9 | 50 | Bag | Synthetic | 40 °F | 3 lb 13.0 oz | 1.7 /100g | $2 /warm | n/s | n/s | $59.95 | Maker rating | Buy |
10 | 50 | Bag | Synthetic | 30 °F | 5 lb 10.0 oz | 1.6 /100g | $3 /warm | n/s | n/s | $110 | Maker rating | Buy |
11 | 49 | Bag | Synthetic | 50 °F | 2 lb 4.0 oz | 2.0 /100g | $5 /warm | n/s | n/s | $99.95 | Maker rating | |
12 | 47 | Bag | Synthetic | 50 °F | 2 lb 12.0 oz | 1.6 /100g | $3 /warm | n/s | n/s | $59.95 | Maker rating | Buy |
13 | 33 | Bag | Synthetic | 30 °F | 9 lb 8.0 oz | 0.9 /100g | $5 /warm | n/s | n/s | $220 | Maker rating | Buy |
The Buy column links to retailers we may earn a commission from, at no extra cost to you. It never affects rankings. GearScore is the overall rating (0 to 100); re-weight it on the full comparison.
This page ranks every Kelty sleeping bag we track, scored on published specs, not opinions. GearScore rewards warmth-to-weight, low weight, and packed size once a bag is warm enough for its rating. You can re-weight any of those factors, or sort and filter the whole field, on the full sleeping bag comparison.
We currently track 13 Kelty sleeping bags, all ranked above by GearScore. We add models as they are released and re-verify specs by model year.
By GearScore, the Kelty Cosmic Down 20 ranks first at 81. That is the default, data-weighted rating; re-weight it to your own priorities on the full comparison and the order can change.
The Kelty Cosmic Down 40 at 1.6 lb, the lightest Kelty sleeping bag in our data.