From the basics to the season's freshest styles, you can exude confidence and style with every step you take in the UGG® Classic Short. UGG® Twinface sheepskin keeps bare feet comfy in temperatures as low as -30°F to as high as 80°F. A moisture-wicking sheepskin sockliner promotes comfortable wear. This style is designed to be worn barefoot to maximize the benefits of the sheepskin. Fit should be snug, but not uncomfortable. Fleece footbed will form to each foot individually. Molded EVA outsole, non-removable insole. 8" boot shaft.