The UGG Ultra Tall woman's boot is made with 100% premium twin-faced sheepskin that wicks moisture away from your feet. The lugged outsole and removable/replaceable insole is great for both comfort and function. The heritage UGG? Australia Tasman woven tape on the back of the boot adds a little something special to this tall boot. This boot is available in black. We recommend treating this product with our UGG Care Kit to maintain the health and luster of the twin-faced sheepskin. Product Details Approximate boot shaft height: 12'' Approximate mid-calf circumference: 12'' Twin-faced grade A sheepskin with suede toe and heel guards Removable and replaceable comfort system insole is made of sheepskin, latex and foam for "ultra" comfort with a Mylar sockliner for warmth. Care and Cleaning For more information on the care and cleaning of your UGG Australia products, see our features and benefits section. Comfort and Fit UGG footwear should be snug, but not uncomfortable. UGG twin-faced sheepskin boots will give a bit as they mold to your feet. UGG footwear is designed to be worn barefoot to maximize the cushioning and warmth of sheepskin.