The ultimate anti-blister double layer sock. Minimises friction on your foot to keep your feet comfortable. The 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 anklet length. Socks designed and manufactured by HILLY, the UK's premier technical performance sock company for runners - founded by Ron Hill. Product Details: Double-layer construction to prevent friction on the foot Lightweight and fine Meryl® Sport inner effectively transfers moisture to the outer DriRelease® cotton outer layer ensures superb drying rate Durable heel & toe box yarns Vented upper and outer Inner sock arch grip Product Name: Hilly Twin Skin Socklet Min Mens Socks - Black/Grey Marl Hilly Code: HI-006033/HI-00067 Option: Small, Medium, Large, X-Large