UGG Women's Classic Tall II Genuine Shearling Lined Boots Features: Sheepskin Dyed Sheep Fur (Fur Origin: Australia) Synthetic sole Shaft measures approximately 11.75"" from arch Boot opening measures approximately 16" around Fully lined with fur Pretreated to repel moisture and stains Outsole: Treadlite by UGG UGGpure lining and footbed keep feet feeling breathable and dry 17mm sheepskin lining ; 17mm sheepskin insole