Our Celebrity Thermo-Slim Full Body Waist Trainer firms and controls with its flexible open bust camisole feature. May be worn with your own bra and underwear without getting in the way. The natural stretch fabric consist of a cotton lining designed to firm, tuck and slim for optimal coverage. Discreet under clothing while it shapes and trains your mid area. Perfect for a range of activities like the gym, jogging, training or under your favorite dress.