REI Co-op makes 6 sleeping bags in our database, ranked below by GearScore, our data-driven overall rating. The Magma 30 leads at 87. The lightest is the Magma Trail Quilt 30 at 1.3 lb, and the warmest is the Magma 15, rated about 21°F. Prices run from $100 to $399.
| Product | GearScore (Default) | Style | Fill | Comfort | Weight | W/wt | $ / warm | Packed | Fill Pwr | Price | Rating | Buy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 87 | Bag | Down | 34 °F | 24.4 oz | 5.2 /100g | $11 /warm | 4.3 L | 850 FP | $379 | Lab · ISO 23537 | Buy |
2 | 85 | Bag | Down | 21 °F | 2 lb 3.6 oz | 4.9 /100g | $8 /warm | 8.0 L | 850 FP | $399 | Lab · ISO 23537 | Buy |
3 | 84 | Quilt | Down | 40 °F | 20.3 oz | 5.2 /100g | $11 /warm | 3.0 L | 850 FP | $329 | Maker rating | Buy |
4 | 81 | Bag | Synthetic | 31 °F | 2 lb 15.1 oz | 2.9 /100g | $3 /warm | 8.0 L | n/s | $129 | Lab · ISO 23537 | Buy |
5 | 64 | Bag | Synthetic | 30 °F | 5 lb 7.3 oz | 1.6 /100g | $4 /warm | 19.0 L | n/s | $149 | Maker rating | Buy |
6 | 60 | Bag | Synthetic | 40 °F | 4 lb 15.6 oz | 1.3 /100g | $3 /warm | 16.6 L | n/s | $99.95 | 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 REI Co-op 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 6 REI Co-op sleeping bags, all ranked above by GearScore. We add models as they are released and re-verify specs by model year.
By GearScore, the REI Co-op Magma 30 ranks first at 87. That is the default, data-weighted rating; re-weight it to your own priorities on the full comparison and the order can change.
The REI Co-op Magma Trail Quilt 30 at 1.3 lb, the lightest REI Co-op sleeping bag in our data.