EU UK US KIDS
36-40 4-7 5-8 -
41-46 8-12 9-13 -
23-26 7-8.5 6.5-7.5 2-3Y
27-30 10-12.5 7.5-8 4-6Y
31-34 1-2.5 8.5-9.5 7-9Y