This Alignmed Posture Shirt is the choice for enhanced performance, increased range of motion, injury prevention, pain reduction, and faster recovery. It is constructed anatomically with Touch Tension Neuroband technology that helps to activate and stimulate specific muscle groups and joints to keep you in perfect form. Controlled resistance causes muscles to contract to increase strength while supporting the spine and shoulders and keeping you performing at your best. We recommend the zipper version of this Posture Shirt for those recovering from an injury or those with shoulder mobility issues.