100% Leather Imported Man made sole Shaft measures approximately 11.5" from arch Heel measures approximately 1.75" Platform measures approximately 0.75 inches Boot opening measures approximately 14" around Goodyear Welt construction for added durability and strength to withstand the tough demands of any job A strong steel toe that meets ASTM standard F2413-11 M I/75 C75 EH. Ultra-Light EVA midsole. Rubber lug outsole grips the ground. Lightweight cement construction Slip resistant rubber lug outsole to safely keep your footing in slippery conditions Removable OrthoLite cushioned footbed for all day long comfort Moisture wicking mesh lining keeps feet cool