Ankle Circumference: 8in Bottom Calf Circumference: 8in Mid-Calf Circumference: 12in Knee Top Circumference: 16in Top Boot Circumference: 20in Handmade Outsole Material: Rubber Closure: Zipper Shaft Material: Synthetic Insole Material: Bonded Leather Upper Material: Synthetic Lining Material: Microfiber Coloring: Last 4 Photos Are Direct Non-Professional; Last One With Flash. No Returns! No Refunds!