The ultimate anti-blister double layer sock Minimises friction on your foot to keep your feet comfortableThe fine inner sock is made from Meryl� that draws moisture away from the foot and transfers it to the outer sock The dri-release� outer layer is great at drying to leave you feet feeling dry and comfortable This double-layer construction prevents friction from occuring on your feet and blisters from appearing The durable heel and toe sections help you put the miles in making Twin Skin� a trusted partner of many runners The LYCRA� SPORT fibre ensures a close comfortable fit Available in a variety of colours and also in a socklet length Socks designed and manufactured by HILLY the UKs premier technical performance sock company for runners - founded by Ron HillFeaturesDouble-layer construction to prevent friction on the footLightweight and fine Meryl� Skinlife inner effectively transfers moisture to the outerDriRelease� cotton outer layer ensures superb drying rateDurable heel & toe box yarnsVented upper and outerInner sock arch grip