Perfect for all of your running needs, the Karrimor ?-Zip Short-Sleeve Tee is made using breathable mesh fabric that provides ventilation, leaving you feeling fresh and dry. Strategically placed reflective details help you stay visible in low-light conditions. Mock neck. ?-zip front. Short sleeves. Breathable mesh fabric. Reflective details. 100% polyester. Machine Washable. Imported. . . ?. . NOTE: This product is sold in U.S. sizes. While the physical product may display both the U.S. & U.K. sizes on it, please place your order using the U.S. size.