Specification: Foot length 22.5cm=Shoe inner length 23cm=Size 36-37 Foot length 23.5cm=Shoe inner length 24cm=Size 38-39 Foot length 24.5cm=Shoe inner length 25cm=Size 40-41 Foot length 25.5cm=Shoe inner length 26cm=Size 42-43 Foot length 26.5cm=Shoe inner length 27cm=Size 44-45 1.The size is small for Asian sizes, it is recommended to choose 1-2 sizes larger when purchasing. 2. For your comfort wearing, Please choose thesize according to the foot length data.Stand straight, the length of the toes and the heel is the foot length 3. The length of the left and right feet will be slightly different, please measure a large amount. 4. lf the feet are thick and wide, it is recommended to choose one size larger Note: 1. Due to the difference between dient monitors, the picture may not reflect the actual color of the item 2. Due to different measuring tools, there may be an error of 1-3cm. Please refer to the received product as the standard