NIKE Boy's JR CTR360 Libretto III FG Soccer Cleats Synthetic tpu sole UPPER: New KLTD synthetic has the fit and feel of leather, while also being lightweight and not overstretching. Hyperfuse screened control pad. MIDSOLE: Kid's specific EVA sockliner provides the extra heel cup and arch support. OUTSOLE: TPU plate designed for multi-directional traction and underfoot comfort. The studs are positioned for traction, balance, and stability while maintaining comfort. For use on firm natural surfaces.