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Marmot Helium EQ

The Helium EQ has been discontinued. If you're looking for something new, check out the best 3-season down sleeping bags for 2020.

photo: Marmot Helium EQ 3-season down sleeping bag

Specs

Price Historic Range: $306.95-$488.95

Reviews

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

I've owned the plain vanilla model of the Marmot Helium and recently decided to get this new EQ model in a slightly longer version. Marmot rates both Helium models at 15 degrees and that's a relative figure. Generally I think I sleep a little colder than the ratings of sleeping bags. I really like the full length zipper on the EQ (as opposed to the weight reducing 3/4 length on the standard Helium) as it allows me to open up the bag when in warmer conditions.

Like the Helium the EQ will compress to the size of a loaf of bread (I usually pack mine in a waterproof compression sack) and when it really gets down close to the 15 degree rating of the bag I throw in a Mountain Hardwear Compressor Coat and Pants and put those on. With that combo I'm usually good down to single digit temps with this bag provided I have a good ground pad.

The membrain or whatever Marmot calls the outer covering of this bag really is waterproof - I know I used it in a snow cave and it got a little warm and "drippy" in the cave but no water got through to the down. All in all a fantastic near-four-season bag.

Design: mummy
Fill: 850+ down
Temperature Rating: 15
Weight: 2 pounds 2 oz

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