Waterproof, non-wicking nylon upper. Lace-up front provides secure fit. Dyed shearling (Australia), 100% UGGpure?? wool, or mixed shearling and UGGpure?? wool lining. Exclusive Vibram?? outsole designed specifically for UGG Australia utilizing the TC1 wet/snow compound. Keeps bare feet comfy in temperatures as low as -30 degrees Fahrenheit to as high as 80 degrees Fahrenheit. 1 1/2" heel. Imported.