The CRAFT ADV Wool Nordic Ski functional socks are primarily designed for cross-country skiing, but can also be used for other activities in cold climates. They will keep you warm while wicking away excess sweat. 48% merino wool, 50% polyamide, 2% elastane - ergonomic cut to distinguish between right and left foot - terry cloth on the bottom of the foot for increased thermal comfort - seamless toe area - compression strips in the toe and heel area for proper fit