Sorel Men's Intrepid Explorer Extreme Snow Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 15.5" from arch Platform measures approximately 1.5 inches Rugged winter boot featuring waterproof upper with lace-up shaft and built-in gaiter with barrel lock closure system Removable 13-mm ThermoPlus felt inner boot with Omni-Heat reflective lining Removable molded EVA footbed 12-mm EVA internal midsole Multi-directional lugged outsole for enhanced traction