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Marmot Col MemBrain

photo: Marmot Col MemBrain cold weather down sleeping bag

Specs

Regular Long
Price MSRP: $639.00
Historic Range: $503.96-$829.00
Weight 3 lb 14 oz / 1774 g 4 lb 9 oz / 2069 g
Fill Weight 2 lb 6 oz / 1077 g 2 lb 10 oz / 1190 g
Temperature Rating -20 F / -29 C -20 F / -29 C
Fill 800 Fill-Power Down 800 Fill-Power Down
Shape Mummy Mummy
Max User Height 6 ft 0 in / 180 cm 6 ft 6 in / 200 cm
Price $639.00 USD $659.00 USD

Reviews

1 review
5-star:   1
4-star:   0
3-star:   0
2-star:   0
1-star:   0

Embrace the caterpillar in you!

Pros

  • Warm
  • Shoulder baffles keep inside from getting damp

Cons

  • Still large-ish when packed

With this bag, I feel and look like a squashy green caterpillar. Zip it up, snuggle down, and after the coziest sleep in the coldest temps, you'll emerge in the morning a beautiful butterfly. That is if you can bear to come out!

I'm a 5'4" smaller woman. I sleep cold and this bag works well for me in even the coldest of temps. I've still paired it with a liner for truly -20°F temps and that works well in a four-season tent. 

Zipping all the way up can be a slight challenge—it's a bit of a squeeze, but comfy once enclosed. The baffle that comes just over the shoulders works great for keeping the moisture from breathing out of the body of the bag when all zipped up. 

So far no complaints about durability and construction, but it's only been out a few times and I've babied it well. Don't want to unnecessarily wreck a bag this nice (and expensive!).

Source: bought it new

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