One of the toughest boots on the market, the Carhartt 6” Rugged Flex WP is built to support laborers working in the most challenging conditions. It features a precision-crafted, oil-tanned leather upper to keep the elements out, as well as a functional EVA midsole and polyurethane strobel pad. The heavy-duty Carhartt Rugged Flex rubber outsole provides exceptional oil, abrasion and slip resistance and maintains traction on slick and uneven surfaces. There is a polyurethane and OrthoLite cushioned insole for long-lasting comfort, and rubber heel and toe bumpers to protect from sudden impact. For maximum weatherproof protection, this boot features a Storm Defender membrane that is waterproof, but also lets feet breathe. When the job calls, this boot rises to the challenge.