David Tate Women's Simplicity Black Calfskin Boot Leather Imported Shaft measures approximately 4" from arch Boot opening measures approximately 9.5" around If you enjoy the simple life, you'll love complementing it with Simplicity footwear from David Tate&reg;! Calfskin leather upper in a smooth silhouette. Zipper closure for easy on and off. Man-made lining. Removable insole features shock-absorbing gel cushioning for all-day comfort. Man-made outsole. Imported. Measurements: Heel Height: 1 in Weight: 13 oz Circumference: 9 1&frasl;2 in Shaft: 5 1&frasl;2 in Platform Height: 1&frasl;2 in Product measurements were taken using size 9, width M (B). Please note that measurements may vary by size.