The adidas Own The Run Short Sleeve Mens Running Shirt comes ready to run with vented panels for added breathability. Made with a classic crew neck with short sleeves on a super light and breathable outer. semi-fitted feel that follows the shape of the body. climacool ventilation keeps you at optimal temperature as you run with added 360 degrees of reflectivity for added visibility in low light. Made with recycled polyester to save resources and decrease emissions on the environment. Fit: Regular.