UPPER: Full Grain Cow Leather Water Resistance Thickness 2.0 â?? 2.20 MM LINNING: High Abration Mesh Lining with padded Foam with Codura Outer Lining SIDE ZIP: YKK Original FOOTBED: Sweat absorbtion Cushioned Insole for Comfort SOLE: Direct Injection 2 Layer Sole with Rubber/PU MIDSOLE: Low Density Polyurethane for shock absorbtion & under foot comfort OUTSOLE: Rubber outsole designed for maximum grip and oil & heat resistance