Brinley Co. Womens Regular and Wide-Calf Knee-High Multiple Strap/Buckles Riding Boot PU Leather Imported Synthetic sole Shaft measures approximately 14 from arch Platform measures approximately 1.25" Style: Boots. This style is also available in Wide Calf. Circumference: 15 inches, Wide Calf Circumference: 17 inches Upper/outsole material: Polyurethane upper/ TPR outsole Shaft height: 14 inches Heel height/type: 1.3-inch block