General features: modern, extremely lightweight and flexible S3 safety shoes — safe, stylish and super comfortable in a modern business look. all sole materials are free from silicones, plasticisers and other paint-wetting impairment substances. Protection features: meets ESD specifications with a volume resistance of less than 35 megaohms, robust, extra-wide steel toe cap for maximum wearer comfort, ergonomically designed outsole made of polyurethane with excellent slip resistance, non-metallic, penetration-resistant midsole in accordance with the latest standards, does not restrict the flexibility of the shoe.