Crocs Kids Footwear
| US | UK | EU | Japan | Length (mm) |
|---|---|---|---|---|
| C4 | 4 | 19-20 | 12.0 | 115 |
| C5 | 5 | 20-21 | 13.0 | 123 |
| C6 | 6 | 21-22 | 14.0 | 132 |
| C7 | 7 | 22-23 | 15.0 | 140 |
| C8 | 8 | 24-25 | 15.5 | 149 |
| C9 | 9 | 25-26 | 16.5 | 157 |
| C10 | 10 | 27-28 | 17.5 | 166 |
| C11 | 11 | 28-29 | 18.0 | 174 |
| C12 | 12 | 30-31 | 18.5 | 183 |
| C13 | 13 | 31-32 | 19.0 | 191 |
| J1 | 1 | 32-33 | 20.0 | 200 |
| J2 | 2 | 33-34 | 21.0 | 208 |
| J3 | 3 | 34-35 | 21.0 | 217 |