Pre-treated Twinface and suede upper. Pretreated with Scotchgard Protector. Easy pull-on style. Warm and cozy sheepskin lining. Microfiber binding. UGGpure wool insole with added arch support. Treadlite by UGG outsole with a 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: 10". Shaft: 5 1?2". Platform Height: 1?2".