Full-Grain, Water Resistant Leather Upper. Soft Leather Lining to Reduce Particulates for Clean Environments. Removable Anti-Fatigue Polyurethane Insole. Highly Durable, Non-Marking, Slip- and Oil-Resistant. Polyurethane Outsole. No Exposed Metal to Meet Scratch Resistant Workplace Requirement. Meets or Exceeds ASTM 2413-05 SD Ratings.