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Marmot CWM MemBrain Sleeping Bag

Item# MAR20120


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In the dead of winter or base camp in the Himalayas, you need the best. The over-engineered CWM MemBrain with sturdy reinforced linings and countless baffles is designed to prevent cold spots and keep you warm. MemBrain® fabric ensures goose down remains lofty and warm during storm bound tent spells when condensation cannot be avoided.

  • Waterproof, breathable MemBrain® fabric keeps moisture at bay and allows all 44 oz. of 800+ goose fill down to do its job
  • Baffles on chest and feet sections run vertically to ensure down won't shift as you move
  • 10'' of loft plumps up like a cloud and warms quickly
  • Nautilus 6-baffle hood uses the same construction as their 8000m down jacket, it wraps comfortably to keep you warm
  • Velcro® free down-filled 6-inch collar keeps warmth trapped in your bag
  • Forward cant foot box matches the natural lean of your feet
  • Thermo-Pane foot box uses double-layer baffle construction to keep your toes warm
  • Reinforced foot lining allows you to store gear or wear liners without compromising durability
  • Down-filled draft tube prevents cold leaks through the zipper
  • Ground level zipper allows the top layer of insulation to wrap fully over the body like a blanket
  • Zipper guard keeps zippers tracking smoothly and prevents the draft tube from getting caught in the zipper
  • Hidden draft tube pocket keeps headlamp or electronics out of the way but within easy reach
  • Stretch Tricot Baffles increase the life of the bag, allowing it to be stuffed and unstuffed without tearing the baffle material
  • 63/44'' Shoulder/foot girth
  • Stuff sack and large volume storage sack included
  • Filled and finished in Santa Rosa, CA
  • Reg – 6'0'' Long – 6'6''
Shell fabric MemBrain® 2L Nylon Ripstop 2.3 oz/yd
Insulation type Down
Insulation material 800+ Fill Goose Down
Gender Unisex
Shape Mummy
Seasons 4
Stuff sack size 19 x 9.5 in (48 x 24 cm)
Lining 100% Nylon WR 1.4 oz/yd
Temperature rating -40° F (-40° C)
Fill weight 2 lbs 12 oz (1.2 kg) - Regular
Weight 4 lbs 9 oz (2.1 kg) - Regular

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