Keep your cool. Men's NikeCourt AeroReact Rafa Top features Nike AeroReact technology that uses special fibers that open when you sweat to help keep you cool and comfortable during your match. Nike AeroReact technology helps you maintain an optimal temperature. Short-sleeve design allows comfortable range of motion. Shallow V-neck offers a nonrestrictive fit. Curved hem extends coverage. Circular-knit jacquard fabric enhances breathability.