The Nike AeroSwift Strike Men's Short-Sleeve Football Top is designed with breathable, lightweight fabric that moves with you to help keep you at your quickest. STAY COOL Nike AeroSwift technology helps keep you cool during intense play. It features lightweight fabric that's extra breathable in the areas where your body gives off the most heat. MOVE FREELY Ribbed, flexible fabric on the back of the sleeves and shoulders stretches as you run and jump. The side stripes on the torso are also flexible, and reveal an accent colour as they stretch.