Journee Collection Womens Regular Sized and Wide-Calf Buckle Knee-high Riding Boot Faux leather Imported Shaft measures approximately 16 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 Circumference: 17 inches Heel height/type: 1-inch block Style: Riding Boot Upper/outsole material: Faux leather upper / TPR outsole