Boot Height: Approx. 16'' Tall. Oil Resistant Rubber. Flexible Internal Metatarsal Guard meets ASTM MT75 Standards. Removable Comfort Orthotic Insert. 3M Scotchlite Reflective Safety Strip. Tempered Steel Shank. Non-Removable Stainless Steel Puncture Resistant Full Sole Plate. Foot Insulated with 400 Grams Thinsulate Ultra Insulation. Waterproof, Vulcanized Construction. Oil Resistant Rubber Outsole with Heel Kick Plate. Steel Toe meets ASTM I75/C75 Standards F2413-05. Electrical Hazard meets ASTM Standards F2413-05.