Four cushioning layers. Relief from the ground up. The 4x 8″ steel toe boot is packed with features; Quad Comfort, Quad-Core, Hyper-dri and a non-slip, oil-resistant outsole. Nylon knit lining for easy on/off. Nylon Shank for arch Support. ANSI Z41 PT99 – M I/75 C/75 EH rated. Dual-density, polyurethane midsole. Quad Core – an EVA covered insole board with EVA filled cutout zones in heel and forefoot. Soft, removable, dual-density footbed. Hyper-dri barrier lines the entire boot for 100% waterproof protection. All leather upper with padded collar. Long-wearing Quad Comfort TPU non-slip, oil-resistant outsole.