UGG Women's Patten Suede Boot opening measures approximately 12" around Prepare yourself for a winter wonderland getaway with these sweet and cozy boots from UGG&reg;! Silkee Suede upper is water-resistant for any type of weather. 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 0.1 oz Circumference: 12 in Shaft: 8 1&frasl;2 in Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.