Please Attention1. Choose the size according to your foot length (don't choose the size according to the usual size in your country)please choose Size 36, if your foot length is 23cm.please choose Size 37, if your foot length is 23.5cm.please choose Size 38, if your foot length is 24cm.please choose Size 39 , if your foot length is 24.5cm.please choose Size 40, if your foot length is 25cm.please choose Size 41, if your foot length is 25.5cm.please choose Size 42, if your foot length is 26cm.please choose Size 43, if your foot length is 26.5cm.2. Foot lengthsole lengthoutsole length For example: Size 39 (24.5cm). This 24.5CM only represents the length of the insole3. If your feet are a bit wide or the instep is a bit thick, it is better to choose a size 1-2 larger.4. Lighting and camera equipment and displays may cause chromatic aberration. If you mind, please do not pay. thanks.5. Due to manual measurement, please allow 0-0.5cm error in size.6.