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.

Specifications

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Weight:	1 lb 15.83 ozs / 902 g
Fill Weight:	19.5 ozs / 552.8 g
Main Material:	100% Nylon Ripstop DWR 1.2 oz/yd
Lining Material:	100% Polyester Taffeta DWR 1.0 oz/yd
Insulation Material:	850+ Goose Down
Size for stature:	183 cm
Size on shoulder:	158 cm
Size on hip:	147 cm
Size on foot:	102 cm
Colors:	025 - Pacifica

EN Test

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What is EN testing? (with video)

Features

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• Classic Trapezoidal Foot Box For More Foot Room
• Full-length Zipper
• Hood Draw Cord Positioned for Easy Access
• Insulated Draft Tube Eliminates Cold Leaks Through the Zipper
• Stretch Tricot Baffles Provide Ultimate Strength, Durability and Bag Life
• Stuff and Storage Sack Included Store and Pack Just Like Your Sleeping Bag
• Velcro®-free Face Muff Keeps the Drawcord and Zipper Away from Your Face
• Zipper Guards Help Repel Biting Zipper Coils
• Filled and Finished in Santa Rosa, California
• Certified 850+ Fill Goose Down The Best Weight to Warmth Down in the Market; Independently Tested and Certified by International Down and Feather Laboratory in Salt Lake City, Utah. Retested at Fill Time in Santa Rosa to Ensure 850+ Fill Power Every Time. If the Down Does Not Meet Our In-House Test, We Send It Back
• EN Tested
• Passive Collar
• Nautilus 6-Baffle Hood 6 Chambers of Down Around Head for Better Down Control and Fit, Hood Cord is Positioned for Easy Access

Videos

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Marmot's own Curly Cervone takes you into the Down Room at Marmot Headquarters in Santa Rosa, CA, where our 850+ fill sleeping bags are filled, sewn, and hand crafted right in our offices.
 

 

 Additional Information

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What makes Marmot Down so Special? (with video)

850+ Fill Down Specific Featrures

How to take care of your down sleeping bag? (with video)

Sleeping bags: Down vs. Synthetic. (with video)

What is EN testing? (with video)

Awards

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Marmot’s Ultralight Series Sleeping Bags Named Backpacker 2008 Editor’s Choice Gold Award Winner.
 

The Backpacker Editors’ Choice Awards, given annually since 1993, honor the products that Backpacker editors have chosen as the best of the year based on months of trail testing by teams of highly experienced hikers and climbers. With no set categories for the awards and no set number of recipients, the products and the testing process drive the award categories. Marmot was two of only 17 innovative products that have been honored with a 2008 Backpacker Editors’ Choice Award.