Welcome to our shop! Dear customer:Because each country has different size label,so choose the correct size,need to measure the foot length,check size information. If you have any questions,Please send message,we will help you.   How to choose the correct size: Step 1: Please measure your foot length carefully,when you choose the size. Feet length is not insole length,insole length is 0~1.5 cm longer than feet length! Step 2: Please choose the correct size according to your foot length . For example, If your foot length is 24.5 cm , you should choose the size 39 . Step 3: If you are not sure of the correct size, you can click Contact Us !!! Note: Please choose the shoes size according to your foot length,NOT insole length.