A simple way to get better posture. This unisex posture harness is ideal to stop slouching that can result in back ache and neck & shoulder pain. This product is perfect for preventing back pain and is very comfortable to wear. It is suitable to wear comfortably over clothes or discretely under clothes. The posture support comes with a dozen 800 gauss magnets targeting the spine and lumbar region. Sizes: S/M 24" to 32" and L/XL 32.5" to 46"