Magma 15 Sleeping Bag - Men's
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Magma 15 Sleeping Bag - Men's
Tech Specs

Specifications are maintained on Pack4Back GearDB (community edits and revision history). Values may differ from the manufacturer or your unit—verify before buying.

Best UseBackpacking
Tested Lower Limit16 degrees (F) - ISO
Tested Comfort28 degrees (F) - ISO
Temperature Rating (F)16 degrees (F)
Temperature Rating (C)-8.9 degrees (C)
Weight799 g
UltralightYes
ShellPertex 15 Denier Ripstop Nylon Bluesign Approved
Zipper LocationLeft
Insulation TypeDown
Water-Resistant DownYes
Fill850-fill-power goose down (RDS certified and bluesign® approved)
Fill Weight451 g
Lining15 Denier Ripstop Nylon Bluesign Approved
Sleeping Bag ShapeMummy
Fits Up To (in.)Regular - Left Zip: 72 inches
Shoulder Girth (in.)160.0 cm
Hip Girth (in.)144.8 cm
Stuff Sack Size19.1 × 38.1 cm
Stuff Sack Volume10.9
Compressed Volume5.2
Gendermale
SustainabilityDown certified to the Responsible Down Standard (RDS)
Description

Super light, very compressible and insulated with water-resistant, premium 850-fill-power goose down, the REI Co-op men's Magma 15 sleeping bag delivers our best warmth-to-weight ratio.

Key facts
  • Designed with generous knee and foot space and a fitted silhouette that delivers the most efficient warmth-to-weight ratio in the REI Co-op brand sleeping bag line
  • Downproof Pertex® shell, water-resistant 850-fill-power goose down and supple 15-denier lining combine to provide lasting coziness and a supersoft feel
  • Down is certified to the Responsible Down Standard (RDS) and bluesign® approved
  • Trapezoidal footbox keeps feet comfy; a toe box baffle positions downward to provide warmth
  • Variable baffle spacing locates and stabilizes the down fill, delivering high thermal efficiency and reducing weight
  • New zipper cover and internal antisnag strip combine for easy zipping; a hybrid zipper path provides easy access along shoulders and torso
  • Contoured hood retains warmth while providing space for a low-profile pillow; 2 different hood drawcords allow internal adjustment to avoid heat loss
  • Insulated yoke fills neck and shoulder gap to prevent heat loss
  • Includes a stuff sack for packing and a roomy mesh sack for breathable storage