UGG Australia Women's Boots Calais Pearls Sheepskin Shaft measures approximately 12" from arch Boot opening measures approximately 15" around Get classy with the UGG&reg; Calais Pearl boot. Twin-face sheepskin upper with pearl-like embellishments across the cuff and back. Easy pull-on style. Fully lined in luxurious, UGGpure&trade; wool. It's a luxurious, natural wool woven into a durable backing that enhances the overall product experience. UGGpure delivers a plush sensory experience with every wear. Generously cushioned footbed is lined in UGGpure&trade; wool. Rugged EVA outsole with extra tread for improved traction. Real sheep fur or lamb has been artificially dyed and treated. Fur origin: Australia. Imported. Measurements: Heel Height: 1 in Weight: 1 lb 5 oz Circumference: 15 in Shaft: 12 in Platform Height: 1&frasl;2 in Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.