Description USA made full grain leather married to a rubber-EVA outsole thatâs heat-resistant for protection in high-heat environments.PRODUCT DETAILS:100% Leather Imported Rubber sole Shaft measures approximately 5.5" from arch Heel measures approximately 1.5 inches" Boot opening measures approximately 13.5" around 6" lace-up work boot with vietnam-made full grain waterproof leather and removable polyurethane footbed