1. Choose the size according to your foot length (don't choose the size according to your country's usual size!!)
2. foot length insole length outsole length eg: USA 4.5(25.5cm). This 25.5cm is the length of the media insole only.
3. better choose 1-2 sizes larger if your foot is a little wide or your chest is a little thick.
4. Light and camera equipment and monitors may cause color differences. if you are worried then please don't pay. thanks.
5. Allow 0-0.5cm error in size due to manual measurement.
6. If you have any questions, please contact our customer service first, and we will help you resolve them.