Running shirt elastic body workout at the finish dense and compact. It adapts to thebody structure without impeding the movements of the dancer. It differs from the Running New Shirt in the technique used to make the collar, cuffs and front stripe. In the Running New Shirt they are made of cotton fabric and are rigid thanks to the application of rigid canvas inside, but in addition they are covered with the same elastic fabric as the shirt to guarantee, following numerous washes, an unaltered pigmentation, thus to always be like new unlike the Running Shirt where the collar, cuffs and front stripe tended to fade, because they were simply made of cotton fabric without being covered with elastic fabric.The fabric complies with the properties that characterize the well-being of the athlete: