STEEL BLUE Heeler Scuff Work Boots Built for rugged jobs, this 10-inch Wellington work boot combines heavy-duty protection with convenient pull-on wear. The premium full-grain cowhide leather upper features an abrasion-resistant scuff cap and ErgoDefender hardened steel toe for enhanced protection in demanding environments. Waterproof construction helps keep moisture out, while electrical hazard protection provides secondary protection against accidental electrical contact. A durable TPU outsole resists heat up to 266°F and is designed to withstand exposure to mineral oils, mild acids, alkalies, ammonium nitrate, and animal fats.