This Nike AeroSwift Marathon 23 RD Running Singlet DV7720-341 is a must-have for all fitness enthusiasts. Featuring a crew neck and pullover closure, this sleeveless tank is perfect for running, jogging, gym, yoga, and other fitness activities. Made with lightweight and moisture-wicking fabric, it is breathable and comfortable to wear. The colorblock pattern with multicolor shades and Racerback strap type makes it stylish and chic. This Nike Dri-Fit tank is a rare and sold-out item that is perfect for the Chicago and Boston marathon, Oregon Trail, Running Club, Track and Sports. It is available in size S, slim fit, and made of 100% polyester material.