The Women's UGG Australia Classic Tall Boots(5815/5812/5715) features genuine twin-face sheepskin for refreshing comfort. It's one of our tallest boots and looks great all the way up or cuffed down Women's Ugg Boots Classic Cardy. All UGG boots in our Classic Collection feature a soft foam insole covered with genuine sheepskin and have a molded EVA light and flexible outsole designed for amazing comfort with every step.