They will be great as replacement footwear in kindergarten. Made of airy, cotton fabrics. This model is light and easy to put on. Velcro gives the possibility of adjustment, thanks to which the shoes can be easily adjusted to the foot. The sole is ventilated, which prevents the child's feet from sweating.When choosing a size, please refer to the size chart. 25-16/26-16,5/27-17,5/28-18/29-18,5/30-19,5/31-20/32-21/33-21,5/34-22/35-22,5/36-23,5cm