Boot Height: Approx. 16'' Tall. Waterproof Insulated MET Guard. Miner Series. 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. 3M Scotchlite Reflective Safety Strip. Tempered Steel Shank. Steel Toe meets ASTM I75/C75 Standards. Electrical Hazard meets ASTM Standards F2413-05. Diamond Plate Rubber Toe and Heel Guard. Foot Insulated with 400 grams Thinsulate Ultra Insulation. Goodyear Welt Construction. Vibram Outsole.