1. Choose the size according to your foot lengthdon`t choose the size according to the usual size in your country!!! please choose Size 34 , if your foot length is22cm. please choose Size 35 , if your foot length is22.5cm. 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 is24.5cm. 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. please choose Size 44, if your foot length is 27cm. please choose Size 45, if your foot length is 27.5cm. please choose Size 46, if your foot length is 28cm. 2. Due to manual measurement, please allow 0-0.5cm error in size. Please read our size chart carefully! It can help you choose the right size based on the length of your foot. Please note that if your feet are too long or too wide, please choose a size that is one size larger than usual.