Brinley Co. Womens Regular and Wide-Calf Buckle-Strap Knee-High Riding Boot Faux leather Imported Textured Rubber sole Shaft measures approximately 15.5 from arch Platform measures approximately .50" This style is available in REGULAR CALF-B(M) US and WIDE CALF-C/D US. Circumference: 15 inches, Wide calf: 17 inches Heel height/type: 1-inch block Style: Riding boot Upper/outsole material: Faux leather upper/rubber outsole