Built for versatility and confidence, these black leather and performance air mesh nylon side zip boots feature a rugged lug, dual density Z-Trac outsole. The BBP Waterproof barrier protects against dangerous fluids, and the composite shank provides extra arch reinforcement. The removable polyurethane SHOCK ZONE insole ensures comfort. Made in the USA with USA and globally sourced components. Full-grain/400g air mesh. BBP Waterproof. Removable SHOCK ZONE polyurethane footbed. Z-Trac ASR outsole. Cement construction. Meets ASTM F2913 Slip Test Standards.