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 heelcounter and toe box to provide thatalready 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. Triple stitched upper with 3 ply bonded nylon thread for extended durability. Gusseted tongue, dirt and debris protection.