Features . . Slip and oil resistant quiet rubber outsole. Exceeds the ASTM F489-96 test standards, non marking.. . Electrical Hazard protection – ASTM F2412-11 and F2413-11.. . Stitched toe and heel for durability and increased service life.. . Custom molded phylon midsole for lightweight comfort and cradled support.. . Texon stability platform insole for lateral support and torsional stability. With steel shank to accommodate proper flex point to help reduce fatigue.. . Durable brass alloy, rust proof hardware.. . 1000 denier nylon upper for increased strength and durability.. . Full grain polishable leather toe for improved durability and comfort.. . Custom molded thermoplastic heel counter and toe box to provide that already “broken in“ out of the box fit and additional lateral support.. . Moisture wicking lining treated with AEGIS® antimicrobial.. . Removable custom fit molded orthotic for all day comfort, also treated with AEGIS®.. . PU collar for easy cleaning.. . Foam padding in tongue and collar for protection and increased breathability.. . Custom YKK® zipper and housing with Velcro® closure for easy on and off fit.. . Triple stitched upper with 3 ply bonded nylon thread for extended durability.. . Gusseted tongue, dirt and debris protection.