Rocket Dog Women's Elka Sierras PU Hush Riding Boot 100% Synthetic Rubber sole Shaft measures approximately 16" from arch Heel measures approximately 1" Boot opening measures approximately 15" around Make a statement this season in the modern-chic design of the Elka riding boot! Synthetic upper. Side-zip closure. Lace-up design. Signature logo detail. Synthetic lining and footbed. Stacked heel. Rubber sole. Imported. Measurements: Heel Height: 1 in Weight: 1 lb 4 oz Circumference: 15 in Shaft: 16 in Product measurements were taken using size 8.5, width M. Please note that measurements may vary by size.