Looking for something warm and comfortable for cold days for your baby? You certainly won't find anything better! The outer part of the shoe is made of eco leather and material that will protect the feet from getting wet. Fully insulated with natural wool. They have a zipper, thanks to which the upper widens when unzipped. At the top of the upper there is a welt that allows you to adjust the upper to the leg. Follow the size chart when choosing the size. 27-17,5/28-18,5/29-19/30-19,5/31-20,5/32-21/33-21,5/34-22/35-23/36-23,5/37-24cm