Rieker Womens Y9072 Faux Leather Imported Shaft measures approximately 11" from arch Boot opening measures approximately 11" around Wage war on the seasons! This Rieker&reg; moto style boot is your perfect armor against the elements. Synthetic leather upper. Side zipper closure. Faux-shearling lining. Pintucked vamp with side snap detail. Signature Antistress technology is incorporated into the footbed making it roomier, flexible, and cushioned. Durable TR outsole. Imported. Measurements: Heel Height: 1 1&frasl;2 in Weight: 14 oz Circumference: 11 in Shaft: 5 1&frasl;2 in Product measurements were taken using size 40 (US Women's 8.5-9), width M. Please note that measurements may vary by size.