Men’s running pants: The Nike NK DF RDVN CHLLGR WVN FLSH P have a looser fit that ensures you will enjoy your workout to the fullest. Dri-FIT technology draws sweat away from the skin to the surface of the fabric where it evaporates quickly, keeping you dry and comfortable. The woven material is smooth and comfortable to wear. Almost any type of phone can fit in the centre back pocket.