Children's sports shoes are made of a combination of textile and ecoleather. The shoes are fastened with Velcro, which makes putting on faster and easier! The sole made of rubber material is nonslip. In addition, the shoes have a reinforced heel. When choosing a size, refer to the size chart.2817.5/2918.5/3019/3119.5/3220.5/3321/3422/3522.5cm