The UGG Classic Tall arrival served to animate the whole boots world. The UGG 5815 Classic Tall Boots, features genuine twin-face sheepskin for refreshing comfort. All UGG Boots Clearance in our Classic Collection feature a soft foam insole not only covered with genuine sheepskin but also have a molded EVA light and flexible outsole. It's one of our tallest boots and is available for many colors. Grade sheepskin breathes naturally, wicking away moisture, and allowing air to circulate freely.