Brinley Co. Womens Side-lace Round Toe Riding Boots Faux leather Imported Shaft measures approximately 16 from arch Platform measures approximately .25" This style is available in REGULAR CALF-B(M) US and WIDE CALF-C/D US. Circumference: 14 inches, Wide calf: 16 inches Heel height/type: 1.2-inch block Style: Inside zip Upper/outsole material: Faux leather/TPR