Full Grain Leather ToeYKK Zipper with Velcro TabSteel Shank1000 Denier Nylon & Leather UpperCompression Molded EVA MidsoleOutsole Stitched at Toe and HeelThermoplastic Heel & Toe CountersOutsole meets ASTM F489-96 test standards for slip resistanceAegis Anti-Microbial Lining and Removable Orthotic Footbed provides protection against odor staining and deterioration caused by bacteria fungus and other microorganisms and is a permanently bonded antimicrobial barrier.Electric Hazard Protection meets ASTM F2412-05 and ASTM F2413-05 EH Test Standards