From Naturalizer, the Icy Leather Buckle Hardware Strap Ankle Booties feature: Leather upper  Decorative buckle strap Inside zipper closure Fabric lining Contour+ Comfort technology for a premium fit and all-day comfort experience Synthetic outsole Approx.5.13" boot shaft height Approx. 10.25" boot shaft circumference Approx. 2.38" block heel height Imported. Styling Notes: Consciously packaged: Shoe boxes are made of recycled paper + soy based ink