adidas F5 TRX FG Soccer Cleat (Little Kid/Big Kid) 100% Synthetic Synthetic sole In this game, every gram counts. A new high-speed upper coupled with a TRAXION outsole gives this boot extreme acceleration, savage braking and razor-sharp handling on firm ground., Die-cut EVA insole for light weight and comfort., TRAXION FG for grip and comfort on firm natural grass surfaces., TRAXION