Nike Jr. Mercurial Superfly 8 Academy IC Indoor/Court Soccer Shoes STRIKE FIRST. STRIKE FAST. The Nike Jr. Mercurial Superfly 8 Academy IC sets you up for speed with specialized traction designed for quick cuts and sudden stops. Grippy texture on top gives you precise control of the ball, and a stretchy collar creates a seamless fit that moves with you. Exceptional Touch A textured pattern on the molded upper provides better ball control when dribbling at high speeds. Seamless Support A stretchy collar wraps your ankle in soft fabric for a secure feel. Made to Move Rubber outsole is designed for multidirectional traction during small-sided games. More Details For use on street, court and indoor surfaces Cushioned insole Not intended for use as Personal Protective Equipment (PPE)