This model has a soft, material upper, which makes them really comfortable to use. They are perfect for school or outdoor games. The material insole will perfectly fit the foot. Lace-up shoes are a practical proposition for every child. Flexible and non-slip sole is a guarantee of safety and comfort! Sizes 17-27 have 3 eyelets, sizes 28-35 have 4 eyelets laces each. When choosing a size, please use the size chart. 28-17,5/29-18/30-18,5/31-19,5/32-20,5/33-21/34-22/35-22,5cm