Marmot Helium EQ Sleeping Bag

$468.95 - $488.95

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Marmot Helium EQ Sleeping Bag

In demanding conditions waterproof/breathable fabric preserves the integrity of down. With a MemBrain shell and the highest quality down available, the Marmot Helium EQ Sleeping Bagis a versatile ultra-light bag for mountaineering and backpacking.

  • Main Material: MemBrain®: 2L 100% Nylon Ripstop 2.3 oz/yd
  • Lining Material: 100% Polyester Taffeta DWR
  • Insulation Material: Certified 850+ Fill Goose Down
  • Classic Trapezoidal Foot Box
  • EN Tested
  • Filled and Finished in Santa Rosa, California
  • Hood Draw Cord
  • Insulated Draft Tube
  • Marmot MemBrain®:, Waterproof/Breathable Fabric
  • Nautilus 6-Baffle Hood
  • Passive Collar
  • Stretch Tricot Baffles

Purchase the Marmot Helium EQ Sleeping Bag from All order totals over $45 qualify for free ground shipping.

5 Star Rating


5 Stars Kricket2179 - February 27 2011

Thru-Hike Worthy
This bag performs great within the realm of its features. I used the Helium during the chilly early months and again in Maine during cooler nights at higher altitudes during my AT thru-hike. The bag was warm at 4,000+ feet with temperatures around 20 degrees. I never needed to wear extra clothing for warmth. The bag has great loft and is durable. I highly recommend this bag.

5 Stars Mark Ueeck - April 8 2010

Great bag, glad I got an earlier model with the full zipper
I love my Helium EQ! As a cold sleeper it keeps me warm to about 35F in nothing but boxers, about normal for me in a 15F bag. But the light weight for the rating and water resistant shell are great for camping in conditions that result in condensation on the tent walls (or drips from the ceiling of a snow cave) where the bag gets moisture on the outside, yet the down stays dry. I bought my bag 3 years ago back when it came with a full length zip. Not sure it's worth saving an ounce to loose the flexibility a full length zip brings - it's not worth it to me, but if you're ok with hot feet on warmer nights, don't let the 1/2 zip stop you, everything else about the bag is great. The only thing I wish it had was a draft tube collar as that would extend the comfort range another 5 to 10 degrees cooler.

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