Brinley Co Women's Joani Riding Boot Regular & Wide Calf Synthetic Imported Synthetic sole Shaft measures approximately 16.5" from arch Heel measures approximately 1" Platform measures approximately 0.25 Boot opening measures approximately 15.75" around This style is also available in Wide Calf. Circumference: 15 inches, Wide Calf Circumference: 17 inches Heel height/type: 1-inch block Style: Riding Boot Upper/outsole material: Faux leather upper / TPR outsole