Georgia Waterproof System Non-metallic Full-grain leather upper AMP (Advanced Memory Polyurethane) insole 11 inches tall ASTM F2892 Electrical Hazard Standard High performance mesh lining Weight: 3.7 pounds per pair for a size 10 Cement construction Heat, chemical, abrasion and slip resistant dual density EVA and Carbo-Tec rubber outsole Extra large TPU Shovel Shank XL platform Pull holes and leather pull straps FLX-FIT technology on the back for easy on and off