Temperature Rating: -100ºC/-148ºF Liner: Removable, Baffin multi-layer inner boot system Double B-Tek insulation Double aluminum insole Waffle-comb foot-bed Base: Arctic Rubber Shell, EVA Midsole, Polar Rubber Outsole Double-strap Velcro fastening Waterproof nylon snow collar with built-in extendable gaiter Waterproof, Diamond-Lite insulated nylon with full-grain leather upper
