In order to select the correct shoe size, we recommend you measure your feet using the following guidelines.
Wear the kind of socks or tights you would normally wear with this type of shoe.
Stand up straight on a flat surface with your heel against a wall. If necessary, ask someone else to help you take the measurements.
Measure from the base of your heel, keeping it pressed against the wall, to the tip of your longest toe.
Always measure both feet and use your longest foot as your benchmark.