No need to take winter's cold on the chin. The Packable Primaloft Trapper wraps your whole head in 60-gram Primaloft® Gold 100% polyester insulation that holds heat, dissipates moisture vapor and retains warmth even when wet. And the flaps fold down for warmth when you're facing polar cold. Yet it'll compress to a palm-sized ball that fits in a pocket, pack or suitcase – ready whenever the next cold snap hits. 2 zippered flap pockets stow keys, cards and lip lube. 100% quilted nylon shell with a fuzzy-soft lining of 100% polyester fleece.