Nike Challenger Dri-FIT Running Pants Midnight Navy/BlackBased on the running shorts of the same name, the Challenger Trousers step up when you need more coverage for your workout. They're lightweight, breathable and easy to get on and off thanks to their zip cuffs. Located in the centre of the back for comfort while running, the media pocket is big enough for most phones. Quick dry support Nike Dri FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable.