Designed for men and women, this comfortable back support gently pulls your shoulders back and helps straighten your spine to encourage proper posture. Lightweight and comfortable, it has two Biofeedbac™ sensory pads for therapeutic muscle pressure and a center panel to enhance posture without restricting movement. Helps relieve muscle tension, stiffness and pain. Fits comfortably under or over clothing, and the adjustable straps provide a perfect fit. EVA, polyester and elastane. Fits waist sizes from 22" to 55".