IDIFU Women's Sexy Platform Chunky Thigh Over Knee High Boots The heel height is 4.7 inch. And the measurement for the shaft is 20.5 inch. With the platform, you will feel at ease and comfortable when you are with its high heel. It's made of premium faux leather which is very durable and very safe for your feet. In this fall and coming winter, one pair of long and warm boots is a must for you. This pair of boots can fit any formal or casual occasions, which will make you more attractive.