Upper: Synthetic. Lining: Mesh, Neoprene. Insole: Synthetic. Midsole: Synthetic. Outsole: Rubber. 2000 Joule Tested Toe Cap, Anti-Static, Cushioned, Fuel Resistant, Hardwearing, Lightweight, Non-Metallic Shank, Oil Resistant, Reflective Detail, Removable Insole, Shock Absorbing, Slip Resistant. Flat. Cut: Knee-High. Design: Contrast Colour, Logo. Conforms to Safety Standard: EN ISO 20345:2011 S5 SRA. Breathable, Durable, Easy to Clean, Flexible, Heat Resistant, Waterproof. Fastening: Pull-On. Ref: UTFS12471