The lightweight adidas Performance Sports Shoes Runfastic CF for boys have a pleasant surface material mix of mesh and synthetic. The finely dimpled outsole will not stain and therefore ideally suited for Hallennutzung.- Velcro (two Velcro strips to Gr. 31, from Gr. 32 three Velcro fastener) padded entry Interior finish in breathable mesh soft EVA midsole upper: other material fabric lining and insole: textile sole: other materials