Carhartt 6" Rugged Flex Composite Toe Work Boots are built to move and keep your feet dry in a range of conditions. A flexible rubber outsole provides confident grip for ladder rungs, cement floors and uneven terrain, and resilient cushioning maintains all-day comfort. Storm Defender® waterproof breathable membrane keeps feet dry, but lets them breathe. EVA midsole with cushioned polyurethane insole for support and shock absorbance. Rubber toe and heel bumper for stability and protection. Composite toe protects against impact and compression hazards and meets ASTM 2413-17 standards. Secondary protection against incidental contact with electrical circuits of 18,000 volts or less under dry conditions and meets ASTM 2413-17 EH standards.