Bad back get help from theunisex magnetic posture corrector vestr fits approximately 325 to 46 inch chestsr suitable for men and womenr helps to ease pain and corrects poor posturer gently pulls the shoulders the neck and head are straightened while aligning the spiner 12 strategically placed magnets target the spine and lumbar region hidden within the supportr discreet wear it underneath normal clothingr its also lightweight and easy to wearr keep straight