JR Vapor 16 Academy Artificial Ground Soccer Boots - Max Voltage PackNike Jr. Mercurial Vapor 16 Academy Little Big Kids' Artificial Grass Low Top Soccer Cleats Looking to take your speed to the next level? We made these Academy cleats with an improved heel Air Zoom unit. It gives you the propulsive feel needed to break through the back line. The result is the most responsive Mercurial we've ever made, so you can flash your speed and put the ball in the back of the net. Amplified Touch The upper is made of NikeSkin