Under Armour Men&rsquo;s HeatGear Performance Basketball Crew Socks, 4-Pack Signature Moisture Transport system that wicks moisture from your feet and accelerate evaporation Cushion footbed Armour Block - helps prevent growth of odor causing bacteria Size Large - Mens shoe size 9 - 12.5 4 Pairs - 89% Polyester, 8% Nylon and 1% Spandex construction