INC International Concepts Petra Women US 10 Black Knee High Boot Synthetic sole Shaft measures approximately 16 from arch Heel measures approximately 5 inches" Knee boots from "INC." (International Concepts) Style name: "Petra" Size: 10 Medium width Heel height: 5" Shaft height from heel: 16" Platform height: 1" Color according to manufacturer: "Black" Synthetic (faux leather) upper Manmade sole Partial length, side zipper