The Finer Details A tacky skin finish is geared for goals and maintaining control of the ball when dribbling at high speeds. The wave-like traction pattern is a series of cascading studs, so it engages more surface area of the Air Zoom unit while also providing the appropriate amount of grip. A full Flyknit upper is supersoft, stretchy and shaped for kids’ feet. Nike Kids Mercurial Zoom Vapor 16 Pro Firm Ground