How to choose the correct size: Step 1. Please measure your foot length carefully, when you choose the size. Step 2. Please choose the correct size according to your foot length For example, if your foot length is 25.6cm, you should choose the size 41. Step 3. If you are not sure of the correct size, you can click Contact Us!!! Feet length=Insole length-(0～1.5) cm NOTE: Don't choose the size based on the Insole length and Outsole length! Brazilian size 34 =Size 36 = Foot Length 23.0cm Brazilian size 35 =Size 37 = Foot Length 23.5cm Brazilian size 36 =Size 38 = Foot Length 24.0cm Brazilian size 37 =Size 39 = Foot Length 24.6cm Brazilian size 38 =Size 40 = Foot Length 25.0cm Brazilian size 39 =Size 41 = Foot Length 25.6cm Brazilian size 40 =Size 42 = Foot Length 26.4cm Brazilian size 41 =Size 43 = Foot Length 27.0cm Brazilian size 42 =Size 44 = Foot Length 27.5cm Brazilian size 43 =Size 45 = Foot Length 28.0cm Brazilian size 44 =Size 46 = Foot Length 28.5cm