New

Marmot Helium Sleeping Bag

-12°C Comfort Limit (EN13537:2012), 560g of 800 Fill Power Down (US Method)
Weighs 958g (excluding bag)
Code: AW17359
  • Now £363.99
  • (FREE UK & EU Delivery)
+ In Stock Now | Usually dispatched within 24 hours
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It's the combination of light weight, small pack size, excellent construction and reasonable cost make it a great value choice for 3 season backpacking. The Helium is mummy style sleeping bag featuring 800+ fill power hydrophobic down, a full length zipper, lots of loft and an extremely effective hood design.

Marmot says:

The popular Helium packs smaller than a loaf of bread, weighs less than two pounds and keeps you warm down to 15°, making it ideal for lightweight mountaineering and backpacking.

Part of Marmot's ultralight range of sleeping bags, the Helium offers a superb balance of quality, low weight, packability, and performance versus cost. It's comparable to many more expensive products, as it is lighter and more compressible than almost all of its competitors.

The Marmot Helium uses 800+ fill power down protected with Marmot's Down Defender to help the down to stay dry longer, loft better when damp and dry more quickly than untreated down. The Pertex Microlight fabric offers a combination of lightweight and good durability plus it's DWR coating will offer some water resistance. The fabric feels really soft which allows the down to loft freely and the slightly brushed feel of the Microlight lining fabric is extremely comfortable against your skin.

- Reviewed by Ultralight Outdoor Gear

Help and advice:Choosing a sleeping bag adviceEN 13537 rating for sleeping bags explainedAll about down filling in sleeping bags
Sleeping bag shape and sizes adviceSleeping Bag features Page 1Sleepin bag features page 2
  • Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging
  • Anatomically Designed Footbox with Wrap-Around Construction increases Warmth
  • Smooth-Curved Baffles Reduce Down Shifting. Nautilus Multi-Baffle Hood limits heat loss
  • Filled and Finished in Rohnert Park, California
  • Certified 800+ Fill Power Goose Down
  • EN Tested
  • Ultralight Pertex Microlight 20d 100% Nylon Ripstop DWR 1.03 oz/sqyd
  • Full Length Locking YKK Two Way Zipper with Zip-Guard Slider
  • Down Defender to Improve Water-Resistance in Wet Conditions
  • Nautilus Multi-Baffle Hood
  • Internal Stash Pocket
  • Snagless Insulated Draft Tube
  • Hood Draw Cord
  • Two Way Zipper Sliders
  • Zipper Garage
  • Stretch Tricot Baffles
  • Two Hang Loops
  • Stuff and Storage Sack Included
  • Regular bag weighs: 958g
  • Regular length fits: 183cm
  • Fill weight: 560g
  • Interior length: 206cm
  • Shoulder width: 155cm
  • Hip width: 142cm
  • Foot width: 113cm
  • Stuff sack dimensions: 17.8 x 35.6cm
  • Certified 800+ Fill Power Goose Down
  • Left hand zip
  • EN Rating Comfort limit: 22.6°F / -5.2°C
  • EN Rating Lower comfort limit: 10.4°F / -12.0°C
  • EN Rating Extreme limit: -24.3°F / -31.3°C
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