Upper: Nitrile Rubber, PVC. Lining: Nylon. Outsole: Dual Density, Fuel Resistant, Nitrile Rubber, Oil Resistant, PVC, Slip Resistant. Anti-Static, Energy Absorbent Heel, Kick Spurs, Reinforced Ankle, Seamless, Watertight. Square. Cut: Mid Calf. Design: Logo, Text. Conforms to Safety Standard: CE Certified, EN 13832-3: 2018, EN ISO 20345: 2011 S4, UKCA. Toe Style: Steel Toe Cap. Chemical Resistant, Waterproof. Fastening: Pull-On.