UGG® Australia's Classic Tall boot is one of our brand’s heritage styles. The Classic Tall boot 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. All 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. Grey colorway.