The Foerster Boot protects from the elements and wards off chills with a weather rating of up to -20 degrees Celsius. This easy pull on boot is made with seam sealed construction. It features a 200g Thinsulate lining for added warmth and 10mm Curly UGGpure lining the shaft. 7mm Curly UGGpure sockliner that naturally wicks away moisture. Molded White Spider Rubber outsole.