Full-Grain Leather and Cordura Upper. Composite Safety Toe Cap. Removable Perspiration Absorbing PU Insole for Comfort. Direct Attach PU Midsole for Cushioning Comfort. Highly Slip-Resistant Rubber Outsole. 45�� Heel for Greater Safety. Waterproof Membrane Construction. 400 grams Thinsulate Insulation for Warmth. Meets or Exceeds ASTM 2413-11 Impact/Compression and EH Ratings.