Playing can take a toll on your favourite leggings. Chalk drawing, bug inspecting and dancing put added stress on the fabric covering your knees, so we reinforced the area to help you play worry-free. And to keep you cool, Nike Dri-FIT tech helps you say goodbye to sweat. Bye-bye, sweat!:Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable.,Snug comfort:Smooth, stretchy fabric and a wide elastic waistband lay flat against your skin. Plus, they layer easily under shorts or a kit.