Snow boots are insulated with sheepskin. There is a zipper sewn into the side, which, when gently unzipped, will also allow you to expand the upper, thanks to the sewn-in material, and also make it easier to put on the shoes. Snow boots are made of waterproof material. Stiffened heel counter. Snow boots have a kidney on the strap. Follow the size chart when choosing the size. 28-18,5/29-19,5/30-20/31-20,5/32-21/33-21,5/34-22/35-23 cm.