Bonded stretch nylon with sheen Soft seamless contour cup Concealed underwire Plunge neckline still offers ample coverage Side boning for a structured fit Lightweight power mesh smoothes back Innovative, concealed front strap adjusters Hidden hook and eye front closure with decorative bow A discrete bra for all your big moments, take a bow in the Spanx Bra-Vo Deep Plunge Bra. Made of soft stretch nylon, contour cups offer a smooth appearance under tops and dresses. A deep plunge front creates a flattering neckline and side boning gives you great support. Designed with innovative concealed front strap adjusters, enjoy a secure fit without visible hardware. Finished with a decorative bow at the hidden hook and eye front closure, the "Bra-Vo" bra gives you function and flair for spotlight occasions. Spanx Bra-Vo Deep Plunge Bra technical details: 77% nylon, 23% spandex