Plunge silhouette. Underwire cups. Push-up padding for lift. XO front: A crisscross design for optimal cleavage and containment. 360° Back Smoothing™ ballet back sculpts and supports. Microfiber knit fabric. 79% nylon, 21% spandex. Hand wash cold. Line dry. Front-adjustable straps. Wide side band to keep things smooth. Back hook-and-eye closure. It's all-out sexy with all-in containment! XO design delivers tons of plunge but keeps everything right where you want it (goodbye, spillage). Features our incredible, patent-pending 360° Back Smoothing™ technology for unbeatable comfort and support. Just washed. Ships quickly from a smoke free home.