US EU JP(cm)
7 39.5 25.0
7.5 40 25.5
8 40.5 26.0
8.5 41.5 26.5
9 42 27.0
9.5 42.5 27.5
10 43 28.0
10.5 44 28.5
11 44.5 29.0
11.5 45 29.5
12 45.5 30.0