The Tanker Western Safety Work Boot offers a traditional cowboy style with practical details for the work field. Cowhide leather upper Steel square toe meets or exceeds ASTM F-2413 safety standards Oil, chipping, chemical, heat and slip resistant Vibram Commander-X5 rubber outsole Electric Hazard - Our electrical hazard rated boots protect you from open electrical currents from the bottom up. Tested up to 18,000 volts. Justin Men's Tanker 11 Inch ST Work Boot