Made of 100% waterproof, ozone-resistant black rubber. The steel toe, steel midsole and full metatarsal guard meet or exceed ANSI Z41 PT99 M I/75 C/75 MT/75 EH PR. Rigid, contoured heel counter prevents heel slippage for walking comfort. The Ankle-Fit design to reduce fatigue from walking while the Trac-Lite outsole for grip on wet and slippery surfaces. The nylon net lining for easy on and off. The removable EVA insole provides cushion comfort. Features fiberglass shank for firm arch support.