How to choose correct size;
1,You should measure your foot length,and it is only equal to foot length!
2,The size standards of different countries or different manufacture are different, your foot length is the sole criterion for choosing size.
3,Foot length is not insole length,and it is also not the shoes inside length.Normally, inside length = foot length + 1 cm.
4,Please measure your foot length carefully.And you can do it with the method on the picture.