No job is too tough for the Muck Boot Company Men's Chore Mid Boots. Perfect for wider calves, these waterproof boots are triple-reinforced in the toe and quadruple reinforced in the heel for ultimate durability. These boots also feature built-in Airmesh lining that keeps you ventilated during your entire day. with a blown rubber outsole, these oil-resistant and shock absorbent boots deliver the comfort you need to tackle any job. 5mm NEOPRENE bootie with four-way stretch nylon is 100% waterproof, lightweight, and flexible Durable, lightweight rubber outsole provides traction without weighing you down Upper is triple reinforced in the toe area and quadruple reinforced in the heel area for protection and support Steel shank for additional arch support in the boots Quick-clean rubber overlay makes cleaning up after a work day a breeze