The Chase 9" WP Side-Zip is designed to handle any conditions you throw at it. This high-performance uniform boot meets our standards with its easy-to-wear and remove side zipper, waterproof bootie lining, and Chase slip-resistant outsole. Full-grain leather / 1200D nylon upper for enhanced durability and comfort HydroGuard waterproof bootie construction Bloodborne pathogen resistant YKK® side zipper with durable Vislon® pattern for easy adjustment and removal, with hook-and-loop tab closure Bellows tongue to keep dirt and debris out Padded foam collar and tongue for added protection and breathability Durable brass alloy, rustproof hardware Moisture-wicking lining with AEGIS antimicrobial protection Removable custom EVA footbed with Poron® performance cushioning Custom-molded Phylon EVA midsole for lightweight comfort and cushioned support Texon stability platform for lateral support and torsional rigidity Airport-friendly nylon shank for lightweight support and fatigue control Custom-molded thermoplastic heel and toe counter for instant comfort and lateral support Heel flex notch for increased mobility and Achilles tendon comfort Chase outsole: slip-resistant, oil-resistant rubber, non-marking with lugs, exceeds ASTM F2913-11 test standards 22 ounces (624g) 60-day comfort guarantee | 1-year manufacturer's warranty