Char Make Body 3-Pair Set These socks are easy to wear and provide firm compression thanks to their highly elastic and lightweight polyurethane construction. The quick-drying and durable polyester, often used in sportswear, keeps your feet from getting stuffy all day long, making you want to wear them forever. Materials: Polyurethane, Polyester Size: Free Please refrain from purchasing if you are seeking perfection or are overly sensitive, as these items are stored at home.