From The Naturalzier, the Deesha Leather Croc Knee High Boots feature: Leather crocodile upper Side zip closure + hidden gore for extra flexibility recycled polyester upper lining, bio-based sock lining and snip toe Contour+ Comfort technology for a premium fit and all-day comfort experience  Approx. 14.17" boot height Approx. 14.57" calf circumference Approx. 2.125" heel height Imported. Styling Notes: Measurements based on size 6 boot.  For each half size larger, boot height increases by 0.12 inches, circumference by 0.20 inches Consciously packaged: our shoe boxes are made of recycled paper+ soy based ink