No job is too tough for The Original Muck Boot Company's Men's Chore Classic Met Guard Steel Toe safety work boot. Perfect for wider calves, this waterproof boot is triple-reinforced in the toe and quadruple reinforced in the heel for ultimate durability. The built-in breathable mesh lining will keep your feet ventilated during your entire day. With a blown rubber outsole, this oil-resistant and shock absorbent boot delivers the comfort you need to tackle any job. 100% Waterproof, 100% MUCKPROOF 5MM Neoprene for Comfort and Performance Breathable airmesh lining Breathable Mesh Lining Durable Quick Cleaning Sole Easy to Clean Rubber Overlays Met guard extreme impact protection Steel toe and shank Triple Toe and Quadruple Rubber Heel Reinforcement Upper is triple reinforced in the toe area and quadruple reinforced in the heel area