Lay down the law without breaking too much of a sweat as you keep up with the pace of the game in this nike dri fit ls referee top in black and whitethis long sleeved referee top with a button up polo collar from nike comes in the classic colour feared by fans and players black and has a few additional handy features including a velcro fastened chest pocket for storing cards a whistle and the infamous refs notebook made from breathable polyester material this referee shirt features nike