Durable Oil Full Grain Leather is Water Repellent and Built to Last and Softens with wear Comfortable Dual Density Insole with Shock Absorbing Heel Cushion Supports Lower Back and Legs Offering Dependable Comfort during long work days Lightweight Polyurethane Outsole gives Superior Traction and Support when working on Concrete Insulated Lined Fabric Wicks Away Sweat and Moisture to Prevent Odors and Provides more Warmth during cold days compared to unlined work boots Goodyear Welt Industrial Work Boot Construction Prevents Sole Separation and allows your boots to be Resoleable