Lycra,Mesh,Nylon,Polyester,Spandex Made in USA The Wrightsock? Coolmesh II Quarter is a mesh of breathable fabric and soft cushioning for a complete wear all-day! Sold as a one-pair pack. Quarter-cut sock sits above the ankle. Dri-WRIGHT? II moisture-managing fibers help feet stay cooler and drier. Double Layer construction is both lightweight and minimal for optimal comfort. Mesh panel at top of foot for enhanced breathability. Heel tab prevents blistering. Stabilizer Zone in arch. 71% polyester, 24% nylon, 5% Lycra? Spandex. Machine wash cold. Tumble dry low. Made in the USA.