Look and feel great on your runs with this men's active top, featuring a long-sleeve construction, a crewneck for a comfortable fit, reflective accents for improved visibility, and ventilated panels for maximum breathability.. . Long sleeves . Ventilated panels . Reflective accents . 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.