Jessica Simpson Womens Reade Leather Synthetic sole Boot opening measures approximately 16" around Keep it simple with these sophisticated boots! Zipper closure. Leather upper with goring panels and ankle harness. Man-made lining. Lightly cushioned man-made footbed. Man-made sole. Imported. Measurements: Heel Height: 1 1&frasl;4 in Weight: 1 lb 1 oz Circumference: 16 in Shaft: 17 in Product measurements were taken using size 9, width M. Please note that measurements may vary by size.