The fortuna neoprene back support with stays is made from high quality neoprene rubber that provides constant uniform compression and support it also generates and retains warmth that increases blood circulation to the injured area thus promoting natural healing and comfort in addition the warming effects on muscles and joints increase flexibility to help prevent sporting injuries fortuna product code ft sn 005 small ft sn 006 medium ft sn 007 large ft sn 008 x large ft 1389 xxl