Clean and smoke free, always hung in a closet completely uncompressed. The best thing you can carry into the wilderness is a good nights sleep and this thing is warm and comfortable. Check out the reviews. This is what you need for Denali or the Himalayas. The item “Marmot CWM Sleeping Bag -40F Down” is in sale since Friday, January 29, 2021. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “tonkaonciara” and is located in Carlsbad, California. This item can be shipped to United States.