The "Dermactive" sole made of leather fibers on latex enriched with activated carbon neutralizes odors while providing you with comfort and hygiene. The Sanitized® treatment prevents germs such as bacteria and fungi from growing. Even after many uses, the treated Sanitized® article retains all its properties and gives it hygienic freshness, reliable and long-lasting protection. Biocidal active substance: zinc pyrithione. Work boots and shoes stay fresh and hygienic.