Marmot Plasma 15 Degree Sleeping Bag


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One of the most technologically advanced bags on the market, the Marmot Plasma 15 Degree Sleeping Bag provides maximum warmth and durability and weighs in at only 1 pound, 14 ounces. Constructed with an incredibly lightweight and water resistant Pertex fabric shell and liner, this goose down sleeping bag is filled with high quality 900+ fill-power down. Marmot’s new, full-length vertical baffles help reduce the weight of the bag and keep the down right on top of you where you need it most throughout the night. This Marmot down sleeping bag has an insulated draft tube along the full-length zipper and an insulated collar to keep warm air trapped inside the bag. Whether you’re hiking the PCT or running a fast-and-light 100-mile weekend trip, the Marmot Plasma 15 Degree Sleeping Bag will become a prized component of your ultra-light sleep system.


  • Temperature rating: 15 degrees F, -9 degrees C
  • Insulation: 900+ fill power goose down
  • Materials: 10 Denier 100% nylon micro ripstop DWR 0.8 oz/yd
  • Lining: 10 Denier 100% nylon micro ripstop DWR 0.8 oz/yd
  • Shape: classic trapezoid
  • EN tested
  • Flow gate construction allows user to manually shift down to preferred locations
  • Vertical baffles for better thermal value and increased weight reduction
  • Wrap around foot box construction incorporates flow design with Marmot’s classic trapezoid shape
  • Full length zipper
  • Insulated draft tube
  • Hood draw cord
  • Insulated collar with easy access cord
  • Velcro®-free face muff
  • Two way zipper sliders
  • Two hang loops
  • Length: 6 ft (regular), 6 ft 6 in (long)
  • Hip Girth: 58 in, 147 cm
  • Foot Girth: 43 in, 109.22 cm
  • Fill Weight: 17.64 oz, 500 g
  • Weight: 1 lb 14.2 oz, 864 g
  • Marmot style: 21070

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Review Summary

5 out of 5

1 Reviews

  • Build quality: 1

  • Cost: 1
Features: 5 / 5
Quality: 5 / 5
Durability: 4 / 5
Warmth: 4 / 5
Weight: 1 / 5

1 Ratings & Reviews

Durability: 4 / 5
Features: 5 / 5
Quality: 5 / 5
Warmth: 4 / 5
Weight: 1 / 5

Luxurious sleeping
January 17, 2013

This is the most luxurious-feeling sleeping bag that I have ever slept in! I have slept 3 nights in it so far(lowest temp down to 32 degrees F) and did not have to zip it up all the way yet. It is very light. The fabric is so light that I wonder about the durability... but other reviews I have read said no problems. I can't comment on the relative water resistance as I have not encountered water yet. The zipper does catch the very light fabric at times, but I would not consider that to be a problem as with a little practice it doesn't happen very often.

Pros: Build quality, Cons: Cost

Also Available

Marmot Plasma 15 Degree Sleeping Bag Photo

Black/ Pacifica.

Available sizes, while supplies last, include size reg and size long: reg, long.

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