Key Features:Made from TurboWOOL-- a superior blend of 50% Merino WOOL and 50% polypropylene. ,This blend is 5 times the strength and durability of Merino wool alone. ,Shrink-resistant and itch-free our Wool socks will keep your feet drier and give excellent insulation in all weather conditions. ,Our Wool socks also feature our \"Easy-Fit\" cuff and \"Stretch-to-Fit\" sizing system for maximum fit and performance. ,Our WOOL socks out-wick and evaporate moisture better than any other wool sock on the market today. .