Nautilus 1670 ESD No Exposed Metal Safety Toe Oxford 100% Leather Rubber sole Heel measures approximately 1.5" Platform measures approximately 1" Pebbled Full-Grain Leather Upper Ergonomically Designed Wide Area Steel 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 Requirements