Marmot CWM -40° Down Sleeping Bag
Expedition-Grade Cold Weather Performance — Brand New, Brand Sample, Built for the Extreme
This Marmot CWM -40° Down Sleeping Bag is one of the most capable cold-weather sleeping bags on the market, full stop. The CWM (Cold Weather Mummy) is Marmot's flagship expedition bag — engineered for high-altitude mountaineering, polar expeditions, and any environment where temperatures drop to genuinely dangerous levels. With a -40°F rating and premium goose down insulation, this is the bag that serious alpinists and expedition climbers trust when the stakes are highest. This is a brand sample procured directly from Marmot, arriving in new condition with original tags.
Color: Blue
Condition: Sample - New with Original Tags, Brand Sample
Original Retail: $929
Key Features:
- -40°F Temperature Rating: Engineered for extreme cold-weather use — high-altitude mountaineering, winter expeditions, and polar environments where most bags fail
- Premium Goose Down Insulation: High-fill-power down that delivers maximum warmth-to-weight efficiency even in the most demanding conditions
- Expedition Mummy Cut: Close-fitting mummy design that minimizes dead air space and maximizes thermal efficiency in extreme cold
- Draft Tubes & Collar: Multiple insulated draft tubes along the zipper and a full draft collar that seal out cold air at every potential entry point
- Marmot Construction: Built to the exacting standards of Marmot's expedition line — the gear they make for climbers going to the world's most demanding environments
Ideal For: The CWM is for alpinists, expedition mountaineers, and extreme cold-weather adventurers who need a bag that performs when temperatures become life-threatening. This is not a casual camping bag — it's purpose-built for the most serious cold-weather objectives on the planet. As a brand sample in new condition with original tags, it's never been slept in — you're getting a $929 expedition sleeping bag at a significant discount with zero wear. A rare find for anyone operating at the extreme end of the cold-weather spectrum.
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Marmot CWM -40° Down Sleeping Bag
Marmot CWM -40° Down Sleeping Bag
Expedition-Grade Cold Weather Performance — Brand New, Brand Sample, Built for the Extreme
This Marmot CWM -40° Down Sleeping Bag is one of the most capable cold-weather sleeping bags on the market, full stop. The CWM (Cold Weather Mummy) is Marmot's flagship expedition bag — engineered for high-altitude mountaineering, polar expeditions, and any environment where temperatures drop to genuinely dangerous levels. With a -40°F rating and premium goose down insulation, this is the bag that serious alpinists and expedition climbers trust when the stakes are highest. This is a brand sample procured directly from Marmot, arriving in new condition with original tags.
Color: Blue
Condition: Sample - New with Original Tags, Brand Sample
Original Retail: $929
Key Features:
- -40°F Temperature Rating: Engineered for extreme cold-weather use — high-altitude mountaineering, winter expeditions, and polar environments where most bags fail
- Premium Goose Down Insulation: High-fill-power down that delivers maximum warmth-to-weight efficiency even in the most demanding conditions
- Expedition Mummy Cut: Close-fitting mummy design that minimizes dead air space and maximizes thermal efficiency in extreme cold
- Draft Tubes & Collar: Multiple insulated draft tubes along the zipper and a full draft collar that seal out cold air at every potential entry point
- Marmot Construction: Built to the exacting standards of Marmot's expedition line — the gear they make for climbers going to the world's most demanding environments
Ideal For: The CWM is for alpinists, expedition mountaineers, and extreme cold-weather adventurers who need a bag that performs when temperatures become life-threatening. This is not a casual camping bag — it's purpose-built for the most serious cold-weather objectives on the planet. As a brand sample in new condition with original tags, it's never been slept in — you're getting a $929 expedition sleeping bag at a significant discount with zero wear. A rare find for anyone operating at the extreme end of the cold-weather spectrum.
Original: $674.99
-65%$674.99
$236.25Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Expedition-Grade Cold Weather Performance — Brand New, Brand Sample, Built for the Extreme
This Marmot CWM -40° Down Sleeping Bag is one of the most capable cold-weather sleeping bags on the market, full stop. The CWM (Cold Weather Mummy) is Marmot's flagship expedition bag — engineered for high-altitude mountaineering, polar expeditions, and any environment where temperatures drop to genuinely dangerous levels. With a -40°F rating and premium goose down insulation, this is the bag that serious alpinists and expedition climbers trust when the stakes are highest. This is a brand sample procured directly from Marmot, arriving in new condition with original tags.
Color: Blue
Condition: Sample - New with Original Tags, Brand Sample
Original Retail: $929
Key Features:
- -40°F Temperature Rating: Engineered for extreme cold-weather use — high-altitude mountaineering, winter expeditions, and polar environments where most bags fail
- Premium Goose Down Insulation: High-fill-power down that delivers maximum warmth-to-weight efficiency even in the most demanding conditions
- Expedition Mummy Cut: Close-fitting mummy design that minimizes dead air space and maximizes thermal efficiency in extreme cold
- Draft Tubes & Collar: Multiple insulated draft tubes along the zipper and a full draft collar that seal out cold air at every potential entry point
- Marmot Construction: Built to the exacting standards of Marmot's expedition line — the gear they make for climbers going to the world's most demanding environments
Ideal For: The CWM is for alpinists, expedition mountaineers, and extreme cold-weather adventurers who need a bag that performs when temperatures become life-threatening. This is not a casual camping bag — it's purpose-built for the most serious cold-weather objectives on the planet. As a brand sample in new condition with original tags, it's never been slept in — you're getting a $929 expedition sleeping bag at a significant discount with zero wear. A rare find for anyone operating at the extreme end of the cold-weather spectrum.












