Sizing Tip: We recommend sizing up for the best fit and comfort. Stand Taller. Breathe Better. Do not wear this without pairing Forme outerwear for spinal disorders. The Power Bra® is a self-correcting posture bra with real time posture muscle training. It has a built in intelligent construct engineered to strengthen your posture, improve your recovery, and elevate your everyday lifestyle and wellness. Designed for daily activities, our award-winning, celebrity endorsed, and #1 selling posture bra engages spinal and shoulder muscle groups in real time and naturally guides your body into proper alignment without effort. Powered by patented muscle memory technology, it actively engages neuromuscular feedbsck so you can move, breathe, and live better.