Size 5, 5.5, 6, and 6.5 are English sizes, and the corresponding sizes are 38.5, 39, 40, and 40.5.

Expanded information:

American and British yards are more similar in size, and this needs to be looked at to what code,

We commonly use the European size, such as 35 yards, 36 yards, 37 yards, 38 yards ... And so on,

Generally, the yardage indicated above the shoes is calculated in millimeters of length, such as 225 yards, 230 yards, 235 yards, 240 yards ...

You can refer to the corresponding table to find out the correct yardage

Women's Shoes Yardage Detail Reference

Men's Shoes Yardage Detail Reference

Men's Shoes Yardage Detail Reference