The Everett S3 is a non-metallic waterproof safety boot that offers cold insulation up minus seventeen degrees.Thinsulate lined for cold insulation that can resist up to -17 degrees Waterproof, full grain leather upper keeps feet dry and protected, and provides long-term durability Tough and durable rubber outsole that provides excellent grip Composite toe: same great protection but non-metallic and lighter than traditional steel Energy absorption, puncture resistant and with a heat resistant outsole Non-metallic: ideal for those working in aviation Molded TPU scuff cap and heel guard for enhanced protection Molded EVA midsole offers additional shock absorption and all-day comfort Antistatic Material Composition Leather/Other Materials/Other Materials Upper Outer Material Leather Lining Material 3M Thinsulate & Mesh SoleMaterial Nitrile Rubber Heel Height 20 Heel Type Flat Colour: Black Safety category: P SRC Upper Outer Material: Leather Lining Material: 3M Thinsulate & Mesh SoleMaterial: Nitrile Rubber Heel Height: 20 Heel Type: Flat Fitting: Standard Fastening: Lace Up Fastening 2: Lace Up