17 mm twinface sheepskin upper with a water repellent treatment. Features a 17 mm UGG plush wool insole for luxurious comfort. Elevate your winter style with these exquisitely designed Twinface Sheepskin Classic II Boots by UGG in a timeless Grey hue. These boots offer contemporary design, luxurious comfort, and versatile functionality, perfect for adding a touch of luxury to your wardrobe.