XS: 14 - 15.5CM

SMALL: 15.6 - 16.5CM

MEDIUM: 16.6 - 18.5CM

LARGE: 18.6 - 19.5CM

XLARGE: 19.6 - 20.5CM

XXLARGE: 20.6 - 21.5CM

XXXLARGE: 21.6 - 22.5CM