Marmot CWM -40° Sleeping Bag product image
Marmot CWM -40° Sleeping Bag product image
Marmot CWM -40° Sleeping Bag product image
Marmot CWM -40° Sleeping Bag product image

Marmot CWM -40° Sleeping Bag

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About This Item

Temp Rating

Below -5 Degrees

Insulation Type

Down

STORAGE:

  • Multiple internal storage pockets

DESIGN & DETAILS:

  • Marmot's warmest and most protective sleeping bag designed to withstand epic adventures in extreme temperatures
  • Designed with Pertex® Shield waterproof and windproof Fabric with a breathable membrane
  • Lightweight sleeping bag keeps you warm and dry in extreme environmental conditions
  • Stuffed with 800-fill-power down
  • Equipped with a draft tube and collar
  • Center zip lets you regulate heat, while dual side zippers make it easy to enter and exit the bag
  • Multi-baffle, wraparound foot box creates a warming chamber that keeps warmth inside the bag
  • Internal hood and draft collar cord cinch prevents heat loss to the head

  • Web ID: 23MRMUCWMXXXXXXXXCSL
  • SKU: 24990010
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SizeRegularLong
ShapeMummyMummy
Minimum Trail Weight4 lb. 15.5 oz.5 lb. 4.5 oz.
Temp Rating-40-40
Insulation TypeDownDown
Fill Power800-fill Power Goose down800-fill Power Goose down
Fill Weight47 oz. 50 oz.
Shoulder Girth63 in.65 in.
Hip Girth61 in. 63 in.
Foot Girth44 in.46 in.
Shell FabricPertex Shield (2-layer) [face fabric] 30D 100% nylonPertex Shield (2-layer) [face fabric] 30D 100% nylon
Bag Length83.5 in.89 in.
Zipper LocationCenter, Left, & RightCenter, Left, & Right
Stuff Sack IncludedYesYes
Stuff Sack Size9 x 19 in.11 x 20.1 in.

REVIEWS

4.7

80%

Recommended

6 Reviews

Images

Awesome

Powerful sleeping bag it’s worth the price can’t wait to use it on Manaslu

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Joe2317

It’s worth the expensive price it’s a good quality sleeping bag meant for tall mountains, like Everest or K2

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Verified Purchase

Excellent Bag In Arctic Ascents!

[This review was collected as part of a promotion.] Outstanding ECW bag that enables great warmth and survivability in extreme cold bivouac and alpine camps. Highly recommended for its cube design, middle zip and pockets to protect, and secure key items that require accessibility from the bag.

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Verified Purchase

Good Sleeping Bag Except For One Major Flaw

[This review was collected as part of a promotion.] Great bag but the center-zip design is not a good feature. If only they had used a side-zipper this bag would have been a winner. Just feels awkward. Build quality is amazing. Warmth is fantastic. Side arm vents are more of a gimmick. I would never use them and they create a flaw in the design, regardless of the vertical and horizontal baffling.

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Verified Purchase

Just Do It

WARM! Big, but definitely warm. Love that the zipper is in the center. Also love the pockets inside the sleeping bag.

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