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Marmot Hydrogen 800FP Down Mummy Sleeping Bag

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Marmot Hydrogen 800FP Down Mummy Sleeping Bag



List Price: $349.00
SAVINGS: $159.04 (46.00%)
Hot Deal Item #: S9114

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About Marmot Hydrogen 800FP Down Mummy Sleeping Bag


We didn’t think it was possible either, but the 30° Marmot Hydrogen 800FP Down Mummy Sleeping Bag is even lighter and more packable than before. The curved baffles on this bag reduce shifting of the down, allowing this bag to provide enough warmth for cool-weather climbs and backcountry excursions; an easy-access, fold-down second zipper allows easy ventilation. At just a pound and a half, this bag puts the ultra in ultralight.

  • Certified 800+ fill power goose down insulation.
  • Ultralight Pertex Microlight 20d 100% nylon ripstop DWR 1.03 oz/sq. yd. shell fabric.
  • 30d 100% nylon DWR 1.09 oz./yd. lining.
  • Fold-down second zipper provides added ventilation, easy access.
  • Anti-snag slider reduces snagging.
  • Anatomically designed footbox with wrap-around construction increases warmth.
  • Smooth-curved baffles reduce down shifting.
  • Nautilus multi-baffle hood limits heat loss.
  • Filled and finished in Rohnert Park, California.
  • EN tested.
    • Comfort: 33.6°F/ 0.9°C
    • Lower Limit: 24.36°F/ -4.8°C
    • Extreme: -7.4°F/ -21.9°C
  • Full length locking YKK two-way zipper with zip-guard slider.
  • Down Defender to improve water-resistance in wet conditions.
  • Internal stash pocket.
  • Snagless insulated draft tube.
  • Two way zipper sliders.
  • Hood draw cord.
  • Zipper garage.
  • Two hang loops.
  • Stuff and storage sack included.


81"x61"x56"x39" / 87"x63"x58"x41"
Fits To
6' / 6' 6"
Fill Weight
10.9 oz. (310g) / 13.8 oz. (380g)
Avg. Total Wt.
1 lb. 7.3 oz. (665g) / 1 lb. 11 oz. (770g)
Stuff Size
6"x12" (15.24x30.48cm)
800fp goose down
Inner Shell
30d 100% nylon DWR 1.09 oz/yd
Outer Shell
Pertex 20d 100% nylon ripstop DWR 1.03oz/yd
Zipper Type
Full-length locking YKK
Dark Citron/Olive