Great, children's snow boots are made of waterproof textile material with stitching. Fitted on a flat heel and platform. Additionally, the boots are insulated with natural wool. This model has a zipper on the side of the upper. In addition, they can be adjusted to the width of the leg, thanks to the welt at the top of the upper. When choosing a size, please use the size chart. 27-17,5/28-18/29-18,5/30-19/31-19,5/32-20cm