Please find sizing specific to Adidas below:
UNISEX
| US MENS | 3 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | 15 | 16 |
| US WOMENS | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | ||||
| UK | 2.5 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12.5 | 13.5 | 14.5 | 15 |
| EU | 35 | 36 | 36.5 | 37.5 | 38 | 38.5 | 39.5 | 40 | 40.5 | 41.5 | 42 | 42.5 | 43 | 44 | 44.5 | 45.5 | 46 | 47.5 | 48 | 49.5 | 50.5 | 51.5 |
MEN
WOMEN
| US | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| UK | 3.5 | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | 14.5 | 15 | 16 | 17 |
| EU | 36 | 37.5 | 38.5 | 40 | 41.5 | 42.5 | 44 | 45.5 | 46.5 | 48 | 49.5 | 50.5 | 51.5 | 52.5 | 53.5 |
| US | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| UK | 2.5 | 3.5 | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 |
| EU | 35 | 36 | 37.5 | 38.5 | 40 | 41.5 | 42.5 | 44 | 45.5 |
KIDS - TODDLER
| US | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| UK | 1 | 2 | 3 | 4 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | |
| EU | 16 | 17 | 18 | 19 | 20 | 22 | 23.5 | 25 | 26 | 27 |
KIDS - YOUTH
| US | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| UK | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | 1.5 | 2.5 | 3.5 | 4.5 | 5.5 | 6.5 |
| EU | 27 | 28.5 | 30 | 31 | 32 | 33.5 | 35 | 36 | 37.5 | 38.5 | 40 |