Nike Chicago Marathon 2023 AeroSwift Men's Dri-FIT Running Vest Size: XLarge Nike Product ID: FD2692-100 Condition: New with tags Nike Dri-FIT ADV technology combines moisture-wicking fabric with advanced engineering and features to help you stay dry and comfortable. Data from real runners like you was used to place open holes throughout the fabric, providing targeted ventilation where you need it most. Bonded seams at the armhole and collar help give a slimmer feel to reduce chafing. The AeroSwift Collection is Nike's pinnacle racing gear. It's made for speed using the latest innovations to deliver optimal performance and distraction-free coverage. Streamlined designs are lightweight and sleek, helping you move freely as you finish strong.