Sierra designs btu -20 sleeping bag. This is a size regular bag (fits up to 6′), in black. 800fp goose down insulation, rated for a man to -20deg. The shell is waterproof and breathable using a drizone membrane, to protect the moisture sensitive down insulation. This bag comes with a compression stuff sack and storage sack. It has never been used and is in excellent condition.The item “Sierra Designs BTU -20 Sleeping Bag, Waterproof/breathable Shell, 800fp Down” is in sale since Thursday, March 19, 2015. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Sleeping Gear\Sleeping Bags”. The seller is “teamnots” and is located in Fairfax, California. This item can be shipped to United States.