This One Smooth Ubra is no slouch, thanks to an EverSmoothback that helps improve posture while also providing all-over smoothing. And youll stay cool while standing tall, thanks to Cool Comfortmoisture-wicking fabric and ComfortLite breathable spacer cups. No-slip, stretch straps allow you to move with ease. Free-cut fabric at the bottom band, sides, and back makes this remarkable underwire bra appear virtually invisible under clothes. Finished with a front closure for easy on and off, this Posture Boost bra will surely become your new go-to style. Hand wash. 75% Nylon, 25% Spandex.