Running > Socks Brand: 1000 Mile Unique 1000 Mile double layer system allows for supreme comfort, no blisters and durability. Inner layer stays with the foot and the outer layer moves with the shoe, preventing blisters and wear through a reduction in friction. The combination of fibres and ventilation allow for unmatched comfort through temperature regulation whilst arch bracing provides additional support.* The outer layer consists of 76% cotton, 22% Nylon and 2% Elastane Lycra.* The inner layer is constructed from 100% Tactel.* Top vent for superior breathability. £7.99 Add to my Running bag