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 your feet feeling dry and comfortable. This double-layer construction prevents friction from occurring 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. Socks designed and manufactured by HILLY, the UK's premier technical performance sock company for runners - founded by Ron Hill. Features: Double-layer construction to prevent friction on the foot. Lightweight and fine Meryl® Skinlife 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. Technical Details: Minimum Cushioning. For runners that like a small amount of cushioning, especially in the toe and heel areas for an added touch of comfort. Minimum is the second level of cushioning from HILLY, above Zero Cushioning level.