Thigh High Boot in stretch vinyl with a six inch stiletto spike heel and a full length zipper for easy on and off. The thigh high boot stretch vinyl stretches to fit your calf and lower thigh for a snug, yet comfortable fit, feel and look. 6 inch Heel with Platform. 29 1/2 inch shaft height. Shaft Height is determined by measuring from the bottom of the sole to the top of the boot.