adidas Performance Kids' Messi 16.3 Firm Ground Soccer Cleats 100% Synthetic Synthetic sole Shaft measures approximately Low-Top" from arch Experience zero wear-in time with the agility touch skin upper that molds perfectly to your foot the instant you slip it on Snug-fit mono-tongue construction keeps out turf material and turns on explosive agility Move with untouchable speed and agility on firm ground (dry natural grass) with the messi fg stud alignment