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&#176;C/-94&#176;F. ; Imported. Measurements: ; Heel Height: 2 1 2 in ; Weight: 3 lbs 10 oz ; Shaft: 16 in ; Platform Height: 1 1 2 in ; Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.