2XU Women's Long Range VECTR Sock 48% Nylon, 37% Olifen, 15% Lycra Imported X:lock compression Technology optimizes your foot strike and push off X:blend fabric wicks sweat away and helps maintain body temperature The secure fit is designed to stabilize the foot, arch and ankles and prevent blisters Dry mesh panels add breathability to your keep feet cool Cushioned heel and forefoot add comfort, 48% Nylon/37% OLIFEN/15% ELASTANE