adidas F30 TRX FG Soccer Cleat (Little Kid/Big Kid) 100% Synthetic Synthetic sole Its high-speed looks do not lie. This ultralight boot is built for extreme acceleration. A TPU bottom frame and new TRAXION stud shape sheds weight but not speed and agility., Die-cut EVA insole for light weight and comfort., N/A, A new TRAXION stud shape for maximum acceleration and grip on firm natural grass surfaces., TRAXION