Get some support with the Self-Heating Back Brace Support Belt Available in four sizes: medium, large, XL and XXL Please see images for measurements Adjust the straps to make it the perfect fit to wear under any clothes Self-heating Tourmaline that retains body heat Elastic band makes it ideal to wear when walking, working, resting or stretching Made from oxford cloth Save 80% on a Self-Heating Back Brace Support Belt