Dear customer, please pay attention to the size information of shoes, please pay attention to the following tips: 1. Please choose the size of your shoes according to your foot length. 2. The length of the insole must be greater than the length of the foot. 3.Important Notice: Foot length is not the insole length. Foot length is not the outsole length. Foot length < Insole Length < Outsole Length 4. We are Asian size, please check the size table carefully before you buy! 5. Measure by hand, the error may be 0.1-0.5cm. The length of the insole is usually 0-1.5cm longer than the foot. 6. If you want to buy suitable shoes, please understand. 7.Important Notice: Foot length is not the insole length. Foot length is not the outsole length. Foot length < Insole Length < Outsole Length US size 5 = EUR 36 =Fit For foot length 23.0 cm