Nautilus 1320 ESD No Exposed Metal Safety Toe Athletic Shoe 100% Nylon and leather Importado Rubber sole Nylon and Leather Upper Ergonomically Designed Wide Area Composite Safety Toe Cap. Meets or Exceeds ASTM F2413-11 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 No Exposed Metal to Meet Scratch Resistant Workplace Requirement