Wolverine Men's Drillbit Oil Rigger Wellington Work Boot 100% Leather and Fabric Imported Rubber sole Shaft measures approximately 10.5" from arch Heel measures approximately 1.5" Platform measures approximately 0.75" Boot opening measures approximately 14.5" around Pull-on electrical-hazard work boot featuring steel toe rated ASTM F2413-11 M I/75 C/75 EH Waterproof leather upper and 1000-denier nylon Wolverine ArmorTek guard Ortholite foot bed Vibram lug outsole Nylon shank and Goodyear welt