Best default down bag
REI Co-op Magma 15
REI · Mid to upper · Light for a 15°F bag
A shoppable 15°F down mummy for three-season trips that might frost.
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The Magma 15 is the practical down mummy: light enough for a weekend, warm enough for a surprise frost, and sold where you can lie in it and return it. Treat 15°F as a limit unless the brand states a comfort rating. Cold sleepers should buy warmer than the forecast, or pair this bag with a high-R pad such as the XTherm, not with a three-season XLite alone. The cut is a slim mummy. If you thrash or sleep with your knees out, a roomier bag is the fix, not a different fill power in the same shape. A quilt such as the Enlightened Equipment Revelation wins only if you sleep warm and will strap it to the pad. The bag is not the pad. Down also fails when it is soaked, so a wet trip is a different choice.
Who should buy it. Backpackers building a first real sleep system for spring through fall.
Best for. Most backpackers who want a returnable down bag
Standout limitation. A slim mummy, and the rating is a limit
Specs
- Rating class
- 15°F
- Fill
- Down
- Shape
- Mummy
Pros
- Usable warmth for the weight
- Easy to try on
- Hood that cinches
Cons
- Slim cut
- Not expedition fill
Not sold on Amazon US.
Closest on Amazon: NEMO Disco 15 Down Sleeping Bag. A 650-fill down backpacking bag from NEMO in a 15°F version, the same rating as the Magma 15.
Check current price on the listing.
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