Boot Height: Approx. 12'' Tall. Oiled Waterproof Leather. Genuine Cambrelle II Moisture-Wicking Lining Treated with Agion Antimicrobial. Flexible Internal Metatarsal Guard meets ASTM MT75 Standards. Removable Air Flow Comfort Orthotic. Tempered Steel Shank. Non-Removable Stainless Steel Puncture Resistant Full Sole Plate. Goodyear Welt Construction. Diamond Plate Rubber Toe and Heel Guard. Foot Insulated with 400 grams Thinsulate Ultra Insulation. Vibram Outsole. Steel Toe meets ASTM I75/C75 Standards F2413-05. Electrical Hazard meets ASTM Standards.