60% Polyester, 11% Cotton, 10% Acrylic, 10% Nylon, 9% Polyurethane -4-way Stretch fabric; Machine wash warm with like colors. Line dry in shade, do not tumble dry. Do not bleach. Do not iron. Do not dry clean. * Non-restricting toe box allows for increased functionality and movement. * Supports the calf muscle and ankle, gradual compression aids in circulation and recovery * Stabilizes and supports the arch of the foot reducing fatigue * Thailand