Upper: Full Grain Buffalo Leather. Midsole: Pierce Resistant Steel. Outsole: Fuel Resistant, Heat Resistant, Oil Resistant, PU (Polyurethane), Rubber, Slip Resistant. 6 Eyelets. Heat Resistance (Celsius): 300°C. Angled Topline, Ankle Support, Anti-Static, Bellowed Tongue, Cold Insulation, Composite Traction, Dual Density, Energy Absorbent Heel. Fabric Technology: Breathable, Lightweight, Waterproof Membrane. Flat Heel. Cut: Ankle High. Design: Text. Conforms to Safety Standard: CE Certified, EN 61340-4-3, EN ISO 20345:2011 S3 HRO WR, UKCA. Toe Style: Composite Toecap. Anti-Fatigue. Suitable for: ESD Environments. Fastening: Lace Up, Zip. Fit: Wide. Ref: UTPW1221