Please do not look at the shoe size, buy according to the actual inner shoe length.
It is recommended to purchase for reference: the foot length is about0.5CM smaller than the inner length of the shoe. If the foot is fat, it is recommended to buy a larger size(1inch=2.54cm).
Note:Foot Length +0.5cm=insole length
CN 16 insole 11.5cm,fit for foot length about 11.0 cm
CN 17 insole 12.0cm,fit for foot length about 11.5 cm
CN 18 insole 12.5cm,fit for foot length about 12.0 cm
CN 19 insole 13.0cm,fit for foot length about 12.5 cm
CN 20 insole 13.5cm,fit for foot length about 13.0 cm
CN 23 insole 14.0cm,fit for foot length about 13.5 cm
CN 24 insole 14.5cm,fit for foot length about 14.0 cm