Innovative technology combines with lightweight materials to help you strive for your best finish yet. The Nike AeroSwift Shorts are all about speed, with a smooth feel and slim fit that helps you move freely. Pleated back Double Swoosh Racing tab at the centre of the back Nike Racing drawcord Body: 86% polyester/14% elastane. Waistband: 89% polyester/11% elastane. Lining: 88% polyester/12% elastane. Panels lining: 82% polyester/18% elastane. Machine wash Imported