REI Co-op Magma 15
$400+Prices change often; check the current price on Amazon.
REI's premium down mummy bag, positioned against boutique ultralight bags at a lower price.
15°F; 850-fill-power RDS down; mummy cut
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Product overview · Outdoor & Camping3-season backpacking
Overview
| Best for | 3-season backpacking |
|---|---|
| Price band | $200–$400 (prices change often; check the current price on Amazon) |
15°F; 650-fill RDS down
A mid-priced down mummy bag aimed at backpackers wanting a solid warmth-to-weight ratio without a premium price.
Keep looking
$400+Prices change often; check the current price on Amazon.
REI's premium down mummy bag, positioned against boutique ultralight bags at a lower price.
15°F; 850-fill-power RDS down; mummy cut
$200–$400Prices change often; check the current price on Amazon.
A long-running down bag built around a roomier spoon shape aimed at side sleepers, now in NEMO's recyclable Endless Promise line.
15°F; 650-fill hydrophobic RDS down; spoon-shaped cut
$400+Prices change often; check the current price on Amazon.
An ultralight down bag aimed at gram-counting backpackers who want a sub-freezing rating in a minimal package.
18°F (-8°C); 850+ fill-power RDS down; ultralight mummy
$100–$200Prices change often; check the current price on Amazon.
A long-running synthetic bag positioned as an affordable, easy-care option for damp conditions where down is less ideal.
20°F; HL-Elix Eco synthetic insulation