NIKE Youth Mercurial Superfly V FG Soccer Cleats Dynamic Fit wraps the ankle for a sock-like fit. Flyknit upper with integrated ribbing for maximum ball control. Compressed nylon plate with precision-placed cleats for quick starts and stops. All Conditions Control (ACC) technology provides optimal ball control in both wet and dry conditions. Firm-ground (FG) cleats for use on short-grass, slightly wet fields. FLYKNIT ORIGINSNike Flyknit technology was inspired by feedback from runners seeking a shoe with the snug (and virtually unnoticed) fit of a sock. This unprecedented precision maximizes performance while reducing material waste by an average of 60% compared to traditional cut and sew, saving millions of pounds of material from reaching landfills.