UGG Women's Samantha Sheepskin^Suede Synthetic sole Shaft measures approximately 17" from arch Boot opening measures approximately 15" around Perfectly pretty and charming for cold-weather outings! Twinface sheepskin and suede upper with quilted stitching. Easy slip-on style. PORON&reg; foam insole lined with sheepskin. Leather midsole for added support. Crepe outsole. Molded rubber heel tap. Imported. Real sheep fur or lamb has been artificially dyed and treated. Fur origin: Australia, European Union or United States. Measurements: Weight: 1 lb 3 oz Circumference: 15 in Shaft: 17 in Product measurements were taken using size 7.5, width B - Medium. Please note that measurements may vary by size.