Georgia waterproof system Steel Toe Safety ASTM F2413 protective toe classification ASTM F2413 Electrical Hazard Standard Full grain , leather upper 11 Inches in height 15 inch calf circumference High performance mesh lining Ergo-Fit safety toe designed to match contours of feet, providing superior comfort and flexibility Weight: 4.4 pounds per pair for a size 10 Back zipper for easy on/off Quick Response Polyurethane foam removable insole Goodyear® welt construction High-abrasion resistant rubber heel lift Heat, chemical, abrasion, and slip-resisting dual-density EVA and Carbo-Tec rubber outsole Durable ABS heel Extra wide platform TPU Shovel Shank XL Stockman heel 1 1/4” Stirrup friendly outsole design with 10mm welt extension Reinforced pull holes and leather straps for easy pull on GEORGIA BOOT Men's 11 Inch Carb-Tec Steel Toe Waterproof GB00528