Brinley Co. Womens Regular and Wide-Calf Knee-High Ankle-Strap Buckle Dress Boot PU Leather Imported Synthetic sole Shaft measures approximately 15 from arch Platform measures approximately 3.50" Style: Boots. This style is also available in Wide Calf. Circumference: 14 inches, Wide Calf Circumference: 16 inches Shaft height: 15 inches Upper/outsole material: Polyurethane upper / TPR outsole Width: Medium