How to choose the correct size? 1.Measure your foot length according to the size chart 2.Find the EUR/China size from the size chart based on your foot length! 3. Please do not measure the insole length, it is different from the foot length EUR/China Size35 = Foot length (cm)22.5 EUR/China Size36 = Foot length (cm)23.0 EUR/China Size37 = Foot length (cm)23.5 EUR/China Size38 = Foot length (cm)24.0 EUR/China Size39 = Foot length (cm)24.5 EUR/China Size40 = Foot length (cm)25.0 EUR/China Size41 = Foot length (cm)25.5 EUR/China Size42 = Foot length (cm)26.0 EUR/China Size43 = Foot length (cm)26.5 Notes: 1. Measurements are the maximum size, please allow for an error of about 5MM. Compare the size chart with your foot length carefully before ordering 2. Please choose the most appropriate size according to our size chart! This is very important, thank you for your understanding and cooperation! Wish you a happy shopping! 3. If you do not know how to choose the correct size or have any questions about this product, please contact us Yes, we will give you satisfactory answers as soon as possible