|This Timberland PRO Gladstone ESD Slip-On Steel Toe Boot - Brown 86509 features a premium full-grain leather, SafeGripTM slip-resistant sole grips both dry and wet surfaces, non-metallic fiberglass shank, padded top collar, Dynamic Anti-Fatigue Technology conductive polyurethane footbed, conductive rubber and polyurethane midsole for consistent static dissipative performance and reinforced blind eyelets. The Goodyear Rubber Outsole features low-profile tread pattern for high surface contact, slip resistant and non-marking. Patented SafeGripTM outsole (U.S. Pat. NO. D597735).