----US Size-----:----Label Size-----Inside Length---
----5.5 M US----:------37------------- 23 cm -------
----6 M US------:------38------------- 23.5 cm --------
----7 M US------:------39------------- 24 cm--------
----7.5 M US----:------40------------- 24.5 cm ---------
----8 M US------:------41------------- 25 cm -------
----8.5 M US----:------42------------- 25.5 cm --------
----9 M US------:------43------------- 26 cm--------
----10 M US-----:------44------------- 26.5 cm --------
This one is a normal size. It is suggested to take a size larger if the feet are wide or fat