UGG Australia Womens Dayle Stud Boot Full-grain leather^Leather^Sheepskin Imported Boot opening measures approximately 14" around Go for the "tough as leather" look in the Dayle Stud boot by UGG&reg;. Full grain leather upper with metal studs and decorative straps for added appeal. Zipper closure for easy on and off. Breathable leather lining. Foam insole lined with sheepskin. Molded rubber outsole. Imported. Real sheep fur or lamb has been artificially dyed and treated. Fur origin: Australia, European Union or United States. Measurements: Weight: 1 lb 9 oz Circumference: 14 in Shaft: 15 in Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.