Brinley Co Women's Blaire Riding Boot Regular & Wide Calf Synthetic Imported Synthetic sole Shaft measures approximately 16.75" from arch Platform measures approximately .50" Boot opening measures approximately 14" around This style is available in regular and wide calf sizes. Circumference: 15 inches, Wide calf: 17 inches Heel height/type: 1-inch block Style: Riding boot Upper/outsole material: Faux leather upper/ TPR outsole