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Marmot Lithium 0


Refuel on your next below-freezing backpacking adventure in the ultralight, eco-friendly Lithium 0° Sleeping Bag, featuring a new sustainable ExpeDry water-repellent technology that increases performance and reduces the drying time of your down bag. With an optimal ISO-tested comfort that teeters above or below zero, the Lithium packs serious warmth in a super-packable 800-fill-power down bag designed to easily stuff into any overnight pack. A thru-hiking favorite, the new gas bags provide lightweight warmth that's light on the Earth—perfect when you're looking to maximize miles or speed in the mountains and minimize weight and space in your pack. If going tent-less is in the plan, you can count on the quick-drying ExpeDry to perform as a bivvy sack on cold, wet, or snowy ground or ledges.


  • Ultralight and packable certified 800-fill-power goose down with eco-friendly ExpeDRY water-repellent finish that increases performance and durability with reduced drying time
  • Anti-snag slider on main zipper and fold-down second zipper provide added ventilation and easy access in and out of sleeping bag
  • Anatomically designed footbox with wrap-around construction increases warmth
  • Smooth, curved baffles reduce down from shifting, increasing durability and reducing inconsistent heating inside bag
  • ISO-tested for reliable temperature and comfort rating
  • Stuff and storage sack included


Bag Temperature Celcius:    -18°C
Tested Comfort:                     12˚F/-11˚C
Tested Limit:                          -2˚F/-19˚C
Shoulder Girth:                       61 in, 155 cm
Stuff Sack Size:                     16.1 x 7.5 in, 41 x 19 cm
Style Number:                         M14406
Product Weight:                     3 lbs 0.9 oz,1,387.0 g
Zipper Location:                     Left Zip