Waterproof 600D printed nylon, seam sealed waterproof construction, removable 8 millimeter zylex liner (97 percent recycled content), moisture wicking lining, adjustable midfoot strap, adjustable snow collar with kamiks easy grab lace lock, waterproof and lightweight rubber and lt, sup and gt, he and lt, sup and gt, shell, and outsole, -40F/-40C temperature rated, built in the USA