EU Sizing  Approx. US Sizing CM INCHES
24/25 7.5/8.5 16.51 6.5
26/27 9.5/10.5 17.78 7
28/29 11.5/12.5 19.05 7.5
30/31 12/13 20.32 8
32/33 J1/2 21.59 8.5
34/35 J3/4 22.86 9