1.5 in. heel height 15 in. shaft height; 14.25 in. calf circumference Synthetic upper. Inside zipper closure Elastic at the top of the shaft for a better fit. Cushioned insole; flexible outsole; slip-resistant At Baretraps we love tall boots! The Baretraps Aphrodite tall boot shows off fashionable touches like upper and lower straps with metal buckles, synthetic leather construction with a side zippered entry and a lugged sole. We simply can't resist our this boot!