REI Co-op Magma 15
Sleeping Bag · Confidence 78/100 · $189.95–$399.00 · ★ 4.2
✓ Good value!
Cold WeatherLightweightCustomizable Fit
Pros & cons
- Excellent warmth-to-weight ratio
- Customizable sizing for a better fit
- High-quality 850-fill down insulation
- Heavier than some similar bags
- Chest zipper can create drafts
- Limited durability for extended use
Specifications
| Temperature Rating | 21°F Comfort / 9°F Lower Limit |
| Weight | 2 lb. 3.6 oz. |
| Fill Power | 850 |
| Packed Size | 8L |
| Shell Material | 15D Nylon |
| Fill Weight | 23.3 oz. |
Expert reviews
| Source | Score | Verdict |
|---|
| OutdoorGearLab | 78 | Highly customizable design with good warmth. |
| CleverHiker | 4.7/5.0 | Perfect for cold sleepers and efficient for backpacking. |
| Better Trail | 4.5/5.0 | Great warmth and fit options, but heavier than some competitors. |
Live prices
| Retailer | Price | Stock |
|---|
| Amazon | $189.95 | In stock |
| REI | $399.00 | In stock |
🛒 Best Price: $189.95 at Amazon →