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. 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. Nylon knit lining for easy on/off. Nylon shank for arch support. ANSI Z41 PT99 – M I/75 C/75 EH rated steel toe. Weighs 4. 0 lbs.