SOREL Yoot Pac Nylon NY1962 Junior Winter Boots Snow Boots Size 21cm. Used about 8 times, the heels of the soles may be slightly worn. Please check the images. I will ship them in the original shoe box. These snow boots are attractive for their high functionality, capable of withstanding extremely cold temperatures of -40 degrees. The upper is made of waterproof nylon with a membrane backing for waterproof and windproof effects. A 2.5mm thick felt frost plug that prevents cold air from entering from the ground and a 9mm thick recycled felt inner boot keep your feet warm and protected. Furthermore, the inner boot is washable, allowing you to keep the internal environment hygienic. 【Temperature Rating】-40℃ Model Number: NY1962