adidas Performance Boys' Ace 16.4 Fxg J Soccer Shoe 100% Synthetic Synthetic sole Shaft measures approximately Low-Top" from arch Flexible ground cleats for the playmaker Soft, lightweight Control Feel upper shapes to your foot for ultimate ball control Comfortable lining Classic 3-Stripes Move with high-speed control and stability on firm ground (dry natural grass), artificial grass (long-bladed synthetic fiber) and hard ground with the Flexible Ground Outsole