UGG Australia Womens W Sutter Boot Leather Boot opening measures approximately 16" around It's time to clear the clutter and let those butterflies flutter when you feel the luxurious comfort of the Sutter. Water-resistant leather upper features dual straps along the shaft. 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 for breathability and warmth. Treadlite by UGG&#8482; outsole. Imported. Measurements: Heel Height: 1 in Weight: 1 lb 3.6 oz Circumference: 16 in Shaft: 10 1&frasl;2 in Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.