Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Knit fabric has a smooth sensation. A zippered back pocket with sweat-proof lining is large enough to hold your phone. Zippered side pockets help secure small items At the right pocket, a mesh inner pocket can hold a key or card. Mesh at the upper back, back of the knees, ankles and inseam panel feels breathable and airy. Zippered leg hems provide easy on and off over your shoes. Product Details Reflective tape and graphics Standard fit for a relaxed, easy feel "Nike Running" elastic waistband with drawcord Zippered side pockets 100% polyester