Brinley Co Women's Buffalo Knee High Boot PU Imported Synthetic sole Shaft measures approximately 16" from arch Platform measures approximately .25" Boot opening measures approximately 15" around This style is also available in Wide Calf. Circumference: 15 inches, Wide Calf Circumference: 17 inches Heel height/type: 1.5-inch block Style: Tall Buckle Boot Upper/outsole material: faux leather/ TPR