Perfectly mismatched this special edition makes a feature of asymmetric colour accents Be different The 1000 Mile Trainer Liner Socklet has a Tactel reg inner layer to wick away moisture from the skin helping to keep the foot dry The combination of fibres and top venting helps to maintain a comfortable temperature with arch bracing offering additional support Covered by 1000 Mile s unique BLISTER FREE GUARANTEE - Double layer construction helps to eliminate friction between the foot and shoe reducing wear and helping to prevent blisters