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. The slip-on model with an imitation of laces is 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. 17-11/18-11,5/19-12,5/20-13,5/21-14cm