The Women's Helium adds insulation where women need it most for warmth down to 15Adeg. At less than two pounds, it's ideal for lightweight mountaineering and backpacking. Specifications Weight: 1 lb 14.1 ozs 853 g Fill Weight: 19 ozs 538.6 g Main Material: 100% Nylon Ripstop DWR 1.2 ozyd Lining Material: 100% Polyester Taffeta DWR 1.0 ozyd Insulation Material: 850 Goose Down Size for stature: 168 cm Size on shoulder: 147 cm Size on hip: 147 cm Size on foot: 97 cm Colors: 269 Oceana EN Test What is EN testing with video Features 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 Nautilus 6 Baffle Hood 6 Chambers of Down Around Head for Better Down Control and Fit, Hood Cord is Positioned for Easy Access Stretch Tricot Baffles Provide Ultimate Strength, Durability and Bag Life Stuff and Storage Sack Included Store and Pack Just Like Your Sleeping Bag VelcroAR 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 Women's Specific Fit More Insulation in Key Areas. Passive Collar Videos 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 What makes Marmot Down so Special with video 850 Fill Dow Specific Features 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 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.