Our handy four pack of ankle socks are as handy as they are stylish, featuring a frilled ankle cuff and a cushioned sole for all-day comfort. 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.