- The dependability of a Muck Boot is now in a steel toe work boot. The Chore can take on the worst of the worst. The upper has a stretch-fit binding keeping warm in and cool out as well as a seamless, quick-clean rubber overlay. A steel shank provides additional support, with triple reinforcement in the toe area and quadruple reinforcement in the heel. A durable, lightweight rubber outsole adds unbeatable traction in all conditions.