From Naturalizer, the Isabeau Leather Knee High Boots features: Leather upper Closed square toe Insole, toe box and heel counter crafted from partially recycled materials Side zip closure and back pull tab recycled lining Contour + Comfort technology for a premium fit and all-day comfort experience Approx. 2.375" block heel height  Approx. 12.875" boot height Approx. 16.5" wide shaft circumference  Approx. 14.625" standard shaft circumference Imported. Styling Notes: Measurements based on size 6 boot. For each half size larger, shaft increases by 0.12 inches, circumference by 0.20 inches Consciously packaged: our shoe boxes are made of recycled paper + soy-based ink