The Nike Pro Dri-FIT Flex Rep shorts are made of a soft, lightweight fabric that keeps you dry and moving naturally for squats, stretching and sprinting. Stretchy reinforcements at wear areas stand up to the demands of intense workouts or competitions.Lightweight fabric and redesigned split hems at the sides allow you to move without constraint. Nike Dri-FIT technology wicks away perspiration for faster evaporation, keeping you dry and cool.Stretchy tape reinforces the sides to stand up to your most intense workouts.