Le Mystere Women's Techfit Bra Microfiber: 54% Viscose, 38% Micro Modal, 8% Lycra; Jacquard: 83% Nylon, 17% Spandex Completely seamless and perfectly smooth under all your knits. Lightweight, soft moulded t shirt bra with one piece front construction with hidden underwire Hand wash warm. no bleach. line dry. do not iron. as with all le mystere bras, fasten closure, place in lingerie bag for washing. hang to dry. China