The vapor 15 MG boot comes with a black and grey colorway, the flexible NikeSkin technology gives a soft and flexible mesh material linked together by a thin coating, giving you the benefit of great ball control through game-play. The speed cage inside of the structure is made of a thin but strong material that secures the foot without extra weight being applied to the boot. Firm ground (FG), Artificial grass (AG) boots. Design redo improves the fit, so that it better simulates the foot. An all-new Zoom Air unit, sits in the plate and provides an additional level of springy underfoot feel making you faster on field.