Carhartt 11" Non-Safety Toe Waterproof Wellington Boots are brown oil tanned leather with slip-on convenience that meet all-weather versatility. Heel and ankle reinforcements add extra support and safety. A durable rubber tread sheds mud and holds firm on slippery ground. Storm Defender® waterproof breathable membrane keeps feet dry, but lets them breathe. FastDry® lining wicks sweat and fights odors. Direct welt constructed, polyurethane outsole. Cushioned, polyurethane insole to absorb shock. Secondary protection against incidental contact with electrical circuits of 18,000 volts or less under dry conditions. Meets ASTM F2892-18 standards.