Brinley Co Women's BARN Over The Knee Boot 100% Synthetic Imported Synthetic sole Shaft measures approximately above-the-knee from arch Platform measures approximately .25" This style is available in regular and wide calf sizes. Circumference: 15 inches, Wide calf: 17 inches Heel height/type: 0.5-inch block Circumference: 15 inches Upper/outsole material: Faux leather/ TPR