CEP Men&rsquo;s Wingtech Short Sleeve Shirt for Improved Posture & Performance The CEP Wingtech short sleeve shirt has smart stripes on the back to stimulate muscles, improve posture, and performance. The athletic shirt works with your body and exercise routine to improve posture and health. DESIGN: Uniquely designed to promote peak performance and improve breathing, Wingtech stripes draw the shoulders back and push the chest forward to ensure that you are positioned for a great workout. IMPROVE POSTURE: Better posture and breathing contribute to a more balanced core and improved biomechanics, which reduce the risk injury. A strong core and proper body alignment make any athletic endeavor more successful and more fun. FABRIC: Made of polyester/spandex, Wingtech shirt is a soft, comfortable baselayer that wicks away moisture and keeps you standing strong and tall throughout your exercise routine. Wingtech Stripes improve breathing for greater endurance and stamina. QUALITY: Long lasting and lightweight shirt is a great sports and health partner for the long haul. This CEP shirt has been tested to last up to 150 washes and wears