NikeCourt Flex Ace Men's Tennis Shorts has lightweight mobility for premium performance. The NikeCourt Flex Ace Shorts feature smooth, stretch-woven fabric that moves with you, while deep side pockets provide ball storage for convenience on the court. Nike Flex fabric stretches with your body. Deep side pockets provide storage for spare balls. Hem vents let you move naturally. Elastic, mesh-lined waistband has an internal drawcord for a personalized fit.