PU coated suede and mesh - Lightweight EVA outsole - Strobel/cement construction - 100% post industrial recycled lining - Cushioned foam footbed - 100% post industrial recycled sock lining with CLEANSPORT NXT pro-biotic odor control - Electrical Hazard rated ASTM F2413-11 1/75 EH - Non-Metallic exceed ASTM standards for safety but are entirely free of metal - Slip Resistant soles reduce the risk of slips and falls - Composite Toe rated ASTM F2413-11