The Baffin® 3 Pin Guide Pro boot offers incredible waterproof protection, warm insulation, supportive comfort, and superior traction to keep you safe during all your winter explorations. Waterproof Diamond-Lite insulated nylon upper with snow collar and lace fastening.Arctic rubber shell keeps our the wet and cold for a more comfortable foot area.Built-in waterproof gaiter with hook-and-loop closure and buckle-strap for tighter, more secure fastening.Removable, multi-layer inner boot lining system featuring gel-based thermal insulation.Double aluminum insole for added protection and comfort.Cushioned EVA Midsole provides excellent support and shock absorption. Reinforced 3-pin toe piece for breaking trail on aggressive terrain. Polar rubber outsole provides excellent traction on snowy and other difficult terrain. Temperature rating: -70°C/-94°F.