Nike Run Dri-Fit Men's Athletic Shirt is a solid black short-sleeved T-shirt made of 100% polyester. It features a crew neck. The shirt is designed for running and jogging activities, with breathable, lightweight, and stretchy fabric. The shirt is easy to care for and suitable for all seasons. The Nike Run Dri-Fit shirt is available in size small and is part of Nike's athletic fit line.