NIKE Essential Dri-Fit Fly Running Shorts 100% polyester Dri-FIT Fabric - To wick sweat away and help keep you dry and comfortable Elasticated Waist - With interior drawcord to help you get the best possible fit Side pockets for secure small item storage Fabric - Dri-FIT 100% polyester Streamlined Waistband - For a comfortable fit when you are out and about.