The Muck Boot Chore boots are 100% waterproof, high-performance, with quality and comfort that will go beyond your expectations. These boots are 12'' tall and include a steel toe. They feature top quality Vibram outsoles, which utilize the latest technology in comfort and reliability. Comfortable to wear in temperatures from sub-freezing to 85 degrees F - 30 degrees C. Details: Lightweight, self-insulating CR flex-foam bootie provides a snug fit to keep out cold temperatures and keep workers feet warm, hand-layered construction is sealed for 100% waterproof reliability, bootstraps, steel toe impact protection, breathable air-mesh lining wicks away humidity and perspiration, removable EVA sock liner, diamond-textured toe and heel reinforcements resist scuffs and scratches, extra wide kick off lugs for easy hands-free removal. Meets ASTM F2413-11 M I/75 C/75 EH. Material: Rubber, Neoprene.