Nautilus 1800 Comp Toe Waterproof EH Athletic Shoe 100% Leather and synthetic Synthetic sole Nylon and Microfiber Leather Upper Composite Safety Toe Cap. Meets or Exceeds ASTM F2413-11 Removable Dual Density Insole with Extra Cushioning for Added Comfort Rubber Outsole with Innovative Heel Cushioning Midsole to Absorb Shock and Maintain Comfort Encapsulated EVA with TPU Support for Stability and Comfort One-Pull Lace Tightening System. Waterproof Membrane Construction. 100% Man-Made Components,