The WCT 11″ Pull-On features an oil and abrasion-resistant rubber heel, achilles guard, gunmetal eyelets and hooks set on stainless steel washers. It also has a super-knit moisture-wicking breathable nylon lining, a tempered steel shank, and welt construction. There is a removable orthotic Airflow open cell PU insert with a moisture-wicking cover that is breathable from toe to heel, anti-bacterial, anti-fungal and machine washable. The outsole is “Hawk” flexible oil, heat, and slip-resistant rubber. The cushioning forepart and heel shock absorber provide extra comfort. The steel toe meets ASTM F2413-11 standards.