2. Put your foot on the white paper, use a pen to point out two points before and after, the distance between the two points is the correct foot length;
3. There is a slight difference in the size of the left and right feet, and the data of the larger foot shall prevail;
4. If the instep is high and the foot is wide and fat. It is recommended to choose one size larger. If the instep is flat and the foot is slender, it is recommended to choose one size smaller.