Steel toe. Stretch-fit topline binding snugs leg to keep warmth in and cold out. 5mm CR flex-foam bootie with four-way stretch nylon. 100% waterproof, lightweight and flexible. Fleece Lining. MS-1 molded outsole is rugged, aggressive and durable for maximum protection and stability. EVA molded midsole with contoured footbed. Rubber and neoprene upper.