UGG Australia Beryl Black Tall Adjustable Calf Riding Boot A generous covered gore behind the knee gives this elegant riding boot a flexible, custom-feel fit sure to make it a go-to favorite. Belted straps highlight the ankle and side-shaft to flattering effect, while the round-toe design is both traditional and timeless. The soft, cozy lining is made from genuine shearling or plush UGGpure, a textile made entirely from wool but engineered to feel and wear like genuine shearling. Either version keeps your feet warm and comfortable, whatever the weather. - 17" boot shaft; 14" calf circumference (size 8.5). - Side zip closure. - Leather upper/UGGpure wool or genuine shearling lining/rubber sole.