Pre-treated Twinface and suede upper. Easy slip-on style. Sheepskin lining. Microfiber binding. UGGpure wool insole with added arch support. Treadlite by UGG outsole with patent-protected tread design. Real sheep fur or lamb has been artificially dyed and treated. Fur origin: Australia, European Union or United States. Measurements: Heel Height: 1 1?2". Circumference: 12". Shaft: 9". Platform Height: 1?2".