Waterproof and durable, the Carhartt 8" Steel Toe Work Boot is comfortable way to keep your feet safe during the work day. The direct attach welt construction features a dual density PU outsole. Ortholite insoles and padded collars along with Ortholite comfort tongue all work together for a comfortable wear for long periods of time. Oil tanned leather makes the upper and an oil, chemical and slip resistant outsole takes care of the bottom. Carhartt also added a molded TPU heel counter with Achilles flex joint for a secure step. The Carhartt 8" Waterproof Work Boot is electrical hazard rated and the steel toe is ASTM 2413-05 rated.