Journee Collection Womens Regular Sized and Wide-Calf Buckle Straps Knee-High Dress Riding Boot Polyurethane leather Imported Synthetic sole Shaft measures approximately 16 from arch Platform measures approximately 2.50" Style: Boots. This style is also available in Wide Calf. Circumference: 15 inches, Wide Calf Circumference: 17 inches Shaft height: 16 inches Heel height/type: 2.5-inch block Upper/outsole material: Polyurethane upper/TPR outsole