User Review: Marmot Helium

Marmot Helium
Above: The current Helium, which may differ slightly from the version reviewed.

Rating: rated 4 of 5 stars
Design: left zip mummy

I have primarily used this bag in northern summers, as an all purpose bag. I have spent two summers of trip leading sleeping it it all summer in Maine and Wisconsin/Minnesota, while also pushed its limits in October in northern MN and January in the Grand Canyon. I recently got a Sea to Sumit 8L dry sack for it, which it fits in perfectly. These bags are not submersible, and take the place of the garbage-bag-in-a-stuff-sack combo in my pack.

The only time I've ever felt the cold in this bag was through my ground pad when I needed something more than a short 3-season Therm-a-rest. My last night in the Grand Canyon I slept out under the stars and had ice form on the top of my bag and didn't know it until I crawled out in the morning.

Most recently I stuffed this bag inside my zero degree bag and slept out in -15 degree weather and stayed warm.

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Where to Buy

Buy Online We found the Helium at 6 online stores:

StoreProduct DescriptionPrice

Campmor
3 purchase options:
Women's Helium 15 Degree Down Sleeping Bag Regular$299.98Buy Now
Helium 15 Degree Down Sleeping Bag Regular$339.97Buy Now
Helium 15 Degree Down Sleeping Bag Long$349.97Buy Now

Backcountry.com
2 purchase options:
Helium Sleeping Bag: 15 Degree Down$295.16Buy Now
Helium Women's Sleeping Bag: 15 Degree Down$368.95Buy Now

Moosejaw
Helium Reg 15 Degree Sleeping Bag$313.65Buy Now

Altrec Outdoors
2 purchase options:
Helium 15 Degree Sleeping Bag$368.95Buy Now
Women's Helium 15 Degree Sleeping Bag$368.95Buy Now

REI
Helium +15 Sleeping Bag - Long$389.00Buy Now

US Outdoor Store
2 purchase options:
Helium Sleeping Bags - Womens$369.00Buy Now
Helium 15°F Sleeping Bag$389.00Buy Now

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