The Chase 9" WP Side-Zip is constructed to take on any condition you can throw at it. This top-of-the-line uniform boot meets high-performance standards with its easy on/easy off zipper, waterproof bootie liner, and Chase slip-resistant outsole.FEATURES Full grain leather / 1200 denier nylon upper for improved durability and comfort. HydroGuard waterproof full bootie construction. Bloodborne pathogen resistant. YKKside-zipper in durable Vislonpattern for easy on and off fit with hook and loop tab-stay closure. Gusseted tongue to keep dirt and debris out. Foam padded collar and tongue for protection and increased breathability. Durable brass alloy, rust proof hardware. Moisture-wicking lining with AEGIS antimicrobial protection. Removable custom fit EVA insole with Poronperformance cushioning pads. Custom-molded phylon EVA midsole for lightweight comfort and cradled support. Texon stability platform for lateral support and torsional rigidity. Airport friendly nylon shank for lightweight support and fatigue control. Custom-molded thermoplastic heel counter and toe box for instant comfort and lateral support. Heel flex notch for increased mobility and Achilles tendon comfort. Chase outsole: slip and oil-resistant, non-marking rubber with siping, exceeds the ASTM F2913-11 test standards.