NIKE Kids Jr Mercurial Vortex III (V) FG Total Crimson/VLT/Blk/PNK BLST Soccer Cleat 11 Kids US Synthetic Imported Soft, textured synthetic leather upper molds to the foot for a responsive fit and easier ball handling. Hook-and-loop closure with laces. Contoured sockliner for added cushioning and comfort. Injected rubber outsole features both conical and bladed studs for optimal traction on firm, natural surfaces. For best wear on firm-ground (FG) surfaces such short-grass fields that may be slightly wet but rarely muddy.