Upper Material: Full Grain Leather Toe Box/Ripstop Nylon Collar: Blouse-Tac Inner Collar (Keeps Socks Up & Bloused Pants In) Stitching: Triple/Double Stitching Lacing: Nylon Loop Speed Lacing Zipper: YKK Full Length Curved Zipper w/Velcro Zipper Keeper Lining: Vapor Wick Lining Insole: Removable Insole Safety Toe: N/A Shank: Composite Shank Midsole: PU Midsole Outsole: 1A Carbon Rubber Outsole Heel: New Generation Air Heel System Resistances: Slip Resistant