Honeywell Servus PRO Size 12 Men's Knee Boots feature dual compound outsole and "Safe-Toe" steel toe. Grayyellowblack PVC knee boots with 15" height feature extended ribbed steel shank to provide optimum support. Boots featuring TDT (Triple Density Technology) are 3-stage injection-molded for enhanced chemical resistance. The TDT outsole compounds provide longer, comfortable wear while increasing slip resistance and help reduce inventory costs. It also comes with removable and washable ergonomic insoles for improved comfort. 100% Waterproof seamless boots.