The ultimate anti-blister double layer sock designed for tough training sessions. 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. Features include 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, and inner sock arch grip. Offers minimum cushioning, especially in the toe and heel areas for added comfort.