From Naturalizer, The Kamila Leather Decorative Buckle Knee High Boots features: Leather upper responsibly sourced from Leather Working Group certified tanneries Heeled knee high boot with decorative buckle Consciously packaged: our shoes boxes are made of recycled paper + soy based ink Linings, insole, toe box and heel counter crafted from partially recycled materials Closed round toe and a side zip closure Contour+ Comfort technology for a premium fit and all-day comfort experience Approx. 3.25" block heel height  Approx. 14.57" standard shaft height Approx. 14.49" calf circumference Note: Measurements based on size 6 foot.  For each half size larger, shaft height increases by .12 inches, circumference by .20 inches Imported.