The Arctic Pro is one of the warmest neoprene boots on the planet. Perfect for the hunter or outdoor worker that gets cold easily or is in far northern climates. A popluar boot worn in Alaska and Antartica, these 8mm 4-way stretch CR Flex-Foam, fleece lined boots set the standard in warmth and protective support at both ends of the poles. The 2mm foam under the footbed assures warmth in temperatures that can drop beyond minus 50 degress or when standing on ice. Topline binding keep the snow and cold out, and warmth inside. Features: Comfort range -60F to 30F, warm fleece lining, 2mm thermal foam under the footbed, 8mm CR flex-foam, EVA-contoured molded midsole, Bob-Tracker molded outsole, comfort topline. Material: Neoprene, Rubber, Fleece.