Fit & Design: Ultralightweight and flowy, this woven fabric helps you stay cool Exaggerated tulip hem and loose fit give you plenty of room for your longest stride Back envelope pocket fits most phones while an inside pocket stashes small items Internal drawcord secures your fit Brief-liner provides reliable coverage Reflective details on front and back Technology: Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable