The Kristin is part of the UGG Classic Slim Collection. ; Please note: this style runs true to size and has a traditional fit. ; 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. ; New Treadlite by UGG outsole provides increased traction, durability, cushioning and flexibility. ; Imported. ; 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 in ; Weight: 11 oz ; Circumference: 10 in ; Shaft: 5 1 2 in ; Platform Height: 1 2 in ; Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.