Children's sports shoes made of ecoleather have a fine perforation on the front. Mounted on a plastic platform. The insert is made of material. This model will surely appeal to your child! The sneakers have a Velcro fastening. When choosing a size, please refer to the size chart.1812,5/1913/2013,5/2114/2214,5/2315,5/2416/2516,5/2617/2717,5/2818/2918,5/3019,5/3120/3221/3321,5/3422/3522,5cm