This style is so elegant but it typically runs a half size to a full size small. I wear a size 9 usually These are 10.5 or 40.5 Heel is 4.5 inches. The platform makes the shoe very comfortable. Extra Heel Tips included • Christian Louboutin Youlala 100 Sandals • Black • Stiletto Heels with Platform • Wrap-Around Straps & Buckle Closure at Ankles • Includes Box & Dust Bag