Sorel Men's Bear Extreme Snow Boot 100% Textile and Synthetic Imported Synthetic sole Shaft measures approximately 13.5" from arch Heel measures approximately 1.25" Rugged snow boot featuring waterproof polyurethane-coated upper with drawstring and barrel-lock closure Removable 9mm recycled felt inner boot with omni-heat reflective lining 25mm bonded felt frost plug midsole Handcrafted waterproof vulcanized rubber shell with sorel aero-trac non-loading outsole Sorel rated -60 degrees fahrenheit