These super soft black four pack of socks made with viscose from bamboo are the ideal choice for everyday wear. With their luxurious feel and natural moisture-wicking properties, they provide both comfort and practicality. Whether you're going to work or just lounging at home, these socks are designed to provide long-lasting comfort. Available in a neutral pack. This product has been given an anti-microbial treatment to prevent the development of odour which will keep your socks feeling fresh. BIOME Is a specially designed technology which helps to keep your socks fresh and odour free bi-ome trademark of devan chemicals NV. This product contains the biocide linseed oil.