1 to 2: 80 to 92 cm. 3 to 4: 98 to 104 cm. 5 to 6: 110 to 116 cm. 7 to 8: 122 to 128 cm. 9 to 10: 134 to 140 cm. 11 to 12: 146 to 152 cm.

Shoes in EU sizes 24 to 34. Between sizes, go up.