UGG Australia Womens Mammoth Boot Suede Imported Keep it cool and classy in the marvelous Mammoth boot from UGG&reg;. Water-resistant suede upper with knotted fringe details at the side. Side zipper for easy on and off. PORON&reg; and EVA foam insole lined with leather. Molded rubber outsole. Imported. Measurements: Weight: 13 oz Circumference: 14 in Shaft: 14 in Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.