Brinley Co Women's Fulton Riding Boot Regular & Wide Calf Man Made Imported Synthetic sole Shaft measures approximately 16.25" from arch Boot opening measures approximately 17.75" around This style is available in regular and wide calf sizes. Circumference: 15 inches, Wide calf: 17 inches Heel height/type: 1.5-inch block Style: Riding boot Upper/outsole material: Faux leather/ TPR