O'Neill Adult Footwear Size Chart
O'Neill Adult Footwear Size Guide
| Size | |||
| US | EU | UK | Neosock |
| 5 | 36 | 4 | XS |
| 6 | 37/38 | 5 | XS |
| 7 | 39 | 6 | S |
| 8 | 40 | 7 | S |
| 9 | 41/42 | 8 | M |
| 10 | 43 | 9 | M |
| 11 | 44 | 10 | L |
| 12 | 45 | 11 | L |
| 13 | 46 | 12 | XL |
| 14 | 47/48 | 13 | XL |
| Size | |||
| US | EU | UK | Neosock |
| 5 | 36 | 4 | XS |
| 6 | 37/38 | 5 | XS |
| 7 | 39 | 6 | S |
| 8 | 40 | 7 | S |
| 9 | 41/42 | 8 | M |
| 10 | 43 | 9 | M |
| 11 | 44 | 10 | L |
| 12 | 45 | 11 | L |
| 13 | 46 | 12 | XL |
| 14 | 47/48 | 13 | XL |