Studded Knee High Strappy Gladiator Sandals Boots,Diva-22 Black 8.5 Synthetic Material: Man-made Leatherette ; Synthetic Sole Heel Height(Black & Tan): Approx. 5"; Shaft Length (including heel): 23"; Top Opening Circumference: 14" Heel Height (Silver): Approx. 5.65" w/ 2" Platform ; Shaft Length (including heel): 20"; Top Opening Circumference: 13" FREE SHIPPING for any additional items at Room of Fashion NOTE(Black & Tan): runs about half size small