86% Nylon, 14% Spandex. Fabric provides stretch. Size S/M best fits heights between 4'11' and 5'4", weights between 85 lbs and 125 lbs. Size M/L best fits heights between 5'2" and 5'8", weights between 125 lbs and 150 lbs. Machine wash warm with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not dry clean. Sheer. Imported.