Boot Height: Approx. 7'' Tall. Work Comfort Technology. Waterproof Leather. Exact Lacing System with Inside Zipper. Genuine Cambrelle II Moisture Wicking Lining with Agion Antimicrobial. Gunmetal Eyelets/Stainless Steel Washers. Removable Air Flow Comfort Orthotic Insert. Tempered Steel Shank. Waterproof Breathable Membrane. Polyurethane Midsole. TPU Outsole. Steel Toe meets ASTM I75/C75 Standards F2413-05. Electrical Hazard meets ASTM Standards.