Boot Height: Approx. 14" Tall. Upper: Flame, heat-resisting rubber. Construction: Vulcanized. Lining: Dupont kevlar yellow knit one piece liner. Midsole: Flexible L-Protection puncture resisting midsole material. Insole: Removable superknit covered polyurethane. Outsole: Flame, heat resisting "Traction Lug". Shank: Steel triple ladder shank. Special Features: ASTM F 2413-05 M/I/75/C/75 oversized steel toe. Material: Leather, Rubber.