extremely lightweight, perforated S1 hook-and-loop fastening safety boot. suitable for people allergic to chrome: made of synthetic materials. all sole materials are free from silicones, plasticisers and other substances that interfere with wetting agents. individually adjustable, triple hook-and-loop fastening, can be adjusted to perfectly suit the needs of the wearer Protection features: new polyurethane sole technology—uvex i-PUREnrj—with excellent shock-absorption properties in the forefoot and the heel, good rebound over the entire midsole and excellent stability thanks to the foam heel basket. meets ESD specifications with a volume resistance of less than 35 megaohms. new, wider, metal