Big Agnes Camp & Hike Fussell Ul Quilt 850 Downtek Sleeping Bag Gray/Pumpkin BFULQ20. Packing small and weighing in at 1lb 1 oz. it’ll be the envy on thru-hikes desert camp outs music festivals and spontaneous couch surfing sessions. The perfect companion for wherever you may lay your head. Insulated with 850 fill power DownTek water-repellent down and featuring snaps that can either close up like a bag or adhere to your pad this is a warm technical piece that you’ll never forget at home.