Nautilus 1391 Women's ESD Comp Safety Toe No Exposed Metal Athletic Shoe 100% Synthetic Rubber sole Nylon and Synthetic Leather Upper Ergonomically Designed Wide Area Composite Safety Toe Cap. Meets or Exceeds ASTM F2413-1 Removable Anti-Fatigue Polyurethane Insole. EVA Midsole for Maximum Comfort. ESD Electric Static Dissipating Footwear meeting or exceeding all ASTM Standards Highly Durable, Slip- and Oil- Resistant Stabilizer Outsole. 100% Man-Made Components. 100% Metal Free. No Exposed Metal to Meet Scratch Resistant Workplace Requirement