ProductInfo: Athletic-inspired, this leather hiker work boot features a Gel Cell insole for maximum comfort. The moisture-wicking K-2 and DRYZ lining help keep your feet dry. It's also electro-static dissipative, which allows you to work safely around sensitive electronic equipment Full Grain Leather Upper K-2 Moisture-Wicking Lining Removable Pillow Cushion Insole with Gel Cell Insert is Covered with DRYZ EVA Midsole Steel Shank Exclusive Vibram Rubber 4x4 Outsole Steel Toe rates M I/75 C/75 in Accordance with ASTM F2412-05 & F2413-05