Upper: PU (Polyurethane). Lining: Nylon. Insole: Foam. Sole Features: Flexible, Non Slip, Shock Absorbing. Fastening: Slip-on. Abrasion Resistant Heel, Anti-Static, Antimicrobial Insert, Breathable, Energy Absorbent Heel, Removable Insole, Sweat Control Lining. Fabric Technology: Stain Resistant. Flat. Cut: Calf-Length. Design: Plain. Conforms to Safety Standard: EN ISO 20345:2011, S5 Certified, SRC. Toe Style: Steel Toe Cap. Ref: UTFS8042