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Marmot CWM -40° Down Sleeping Bag - FERAL
  • Marmot CWM -40° Down Sleeping Bag - FERAL
  • Marmot CWM -40° Down Sleeping Bag - FERAL
Marmot CWM -40° Down Sleeping Bag

This Item Is Field-Tested

Field-Tested goods are high-quality used outdoor gear and apparel that have already proven themselves — packs that have seen the trail, jackets that have weathered wind and rain.

Every Field-Tested item is carefully inspected and certified ready for its next adventure.

This category also includes samples — new items sourced directly from a brand or brand sales representative in new condition. They have original tags that may on occasion state that it is a 'sample' or 'sales sample'.

Marmot CWM -40° Down Sleeping Bag

$674.99 Original MSRP: $929.00
$674.99 Original MSRP: $929.00

Condition: Sample

Field-Tested Condition Guide

Sample
New with original tags.

A 'Sample' is an item that has been procured directly from a brand or brand sales representative in new condition. Item has original tags that may on occasion state that it is a 'sample' or 'sales sample'.

Mint
New with original tags.

Like New
New, but missing tags.

Great
Evidence of use, but no cosmetic issues.

Good
Some light cosmetic issues, but still fully functional.

Flawed Gem
Cosmetic issues or flaws, but still fully functional. An in-demand item or from a highly-desirable brand.
ColorBlue
Item is online only, one-of-one, and GONE when it's gone.

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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Returns for all online purchases are accepted for 30 days after date of purchase.
Return Policy

Have Questions?

Are the photos of the actual item?

Yes! We photograph every Field-Tested item during our inspection process. We do not use stock photos for used goods or brand samples.
How fast do you ship?

All items ship next business day.
How do I sell my used gear?

Currently, we only purchase used gear in-store at our Denver, CO and Grand Rapids, MI locations.

But if you're in the neighborhood, it's super easy. No consignment — we make you an offer on the spot. Learn more HERE.
Can I try on this item in-store?

Our online assortment of used gear and clothing is unique from our in-store assortment. But, don't worry. We accept returns for 30 days after date of purchase if the item doesn't work out.

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