A stiletto heel adds extra cool factor to these ultra-sleek square-toe over-the-knee boots from I.N.C. International Concepts®. Product Features 3-3/4" stiletto heel Shaft height: 20-1/10"; Circumference: 7-3/10"; measured on a size 6 Square-toe boots with half-zipper closure Cushioned insole and flexible sole for added comfort NOTE: Shaft height and circumference vary by size. PU/manmade upper; fabric lining; rubber sole