Stand tall in the Carhartt 6-Inch Waterproof Electrical Hazard Safety Toe Stabilizer Heel Boot. This men's work boot protects you on the jobsite with a waterproof, oil-tanned leather upper and abrasion-resistant, woven nylon lining for breathable comfort. An ASTM 2413-11 safety-rated steel toe and electrical hazard rating protect you from worksite hazards. The molded TPU (thermoplastic polyurethane) heel stabilizer boasts an Achilles flex joint to protect and stabilize your heel as you move and stretch inside the boot. The Carhartt 6-Inch Waterproof Electrical Hazard Safety Toe Stabilizer Heel Boot has an oil-resistant TPU outsole to keep you steady on your feet.