Built for the tough jobs, you can rely on Carhartts 6-inch bal work boot/non-safety for no-quit comfort and long-lasting durability. It's made of oil-tanned leather with a waterproof membrane, and includes an oil-, chemical- and slip-resistant sole. Built strong, it's constructed with an EVA midsole and Vibram rubber outsole. Comfort is enhanced with an OrthoLite insole, padded collar and OrthoLite comfort tongue. A molded TPU (thermoplastic polyurethane) heel counter with an achilles flex joint provide stability.