Size 5 - 22 cmSize 6 - 23 cmSize 7 - 23.5 cmSize 8 - 24 cmSize 9 - 24.5 cmSize 10 - 25 cmGet your normal size.
For half sizes with wide feet width, chooseone size higher for closed toe and pointed shoes.
You will not feel uncomfortable once you wear it!
So comfy! This is my favorite out of all that I bought. Can be used with any outfit.