I slept in this bag ONE NIGHT that was in the 20s. I just wore light merino base layers and it kept me ridiculously warm. It is in EXCELLENT condition and has been stored on a hanger except when I packed it to camp. This comes with a black Marmot XS stuff sack! It really is like new. On my digital scale, this bag and stuff sack weighs ONLY 37.7 oz. 850+ Fill Power Goose Down Down Defender reinforced for Water-Resistance. Peretex Microlight 20D Outer (100% Nylon Ripstop). The popular Marmot Helium Sleeping Bag (15° F) Down 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. The Helium is packed with 850+ Fill Power Goose Down and is reinforced with Down Defender to help improve Water-Resistance in wet conditions. This bag also features a full length zipper and also a zipper garage that keeps it concealed and windproof. Stay warm when the temperature drops this season with a bag that is lightweight, tough as nails bag constructed with Pertex Microlight material which give you the durability you need and a weight that you’ll absolutely love. Peretex Microlight 20D (100% Nylon Ripstop) Certified 850+ Fill Power Goose Down Down Defender reinforced for Water-Resistance EN Tested Passive Collar Nautilus 6-Baffle Hood Classic Trapezoid foot box Full Length Zipper w/ zipper garage Insulated Draft tube Stuff and Storage sack included! Video -Marmot Down Video -Hand Crafted Sleeping Bags. The item “Marmot Helium Down Sleeping Bag Regular FULL zip 15° ultralight camping hiking” is in sale since Saturday, November 21, 2015. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “nvhaley3″ and is located in Hixson, Tennessee. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, PH, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY, CL, CO, CR, PA, TT, GT, HN, JM.