Premium Full-Grain Waterproof Leather Asymetrical Low-Profile Soft Toe Anti-Fatigue Technology Polyurethane Footbed for Shock Absorption and Energy Return Heat, Oil, Slip and Abrasion Resistant, Non-Marking All-Weather TPU Outsole; Mark II Oily Wet #3 on American Olean Tile at .40 Direct Inject Construction for Durability and a Fiberglass Shank for Structural Support