6" Smooth Leather and Ballistic Leather 100% Non-Metallic Side Zipper Nylon Mesh Lining EVA Cushion Midsole Removable F2A Polyurethane Cushion Insert with Shock Eliminator Heel Cushion Dual Density; Mountain Trail Rubber Bottom Security Friendly Composite Toe Rated ASTM F2413-05 I/75 C/75 Electrical HazardOutsole Ratings: Slip - Best Oil - Best Metal Chips - Better Heat - Better Abrasion - Better Chemicals - Best RB8674 Reebok Men's Stealth Zipper Safety Boots - Black