STRETCH FOR MILES. From tackling your route to the rest of your day, the Nike Flex Stride Shorts combine a clean, streetwear look with stretchy woven fabric that lets you move freely. Nike Flex fabric stretches with your body. 2-way drawcord can be worn internally or externally. Perforations at the back enhance ventilation. Dri-FIT technology throughout moves sweat away from your skin to help keep you comfortable and dry. Low-profile elastic waistband lies flat against your skin. Zippered pocket on the center back has a vapor barrier to help guard items from sweat. It is big enough to hold a phone. More Details Reflective trim Standard fit for a relaxed, easy feel Fabric: Body: 100% polyester. Waistband: 63% nylon/37% spandex. Pocket bags: 100% recycled polyester. Lining: 84% recycled polyester/16% spandex. Mesh lining: 89% polyester/11% spandex. Machine wash Imported Not intended for use as Personal Protective Equipment 100% POLYESTER