Arena Powerfin Pro Size Chart
| Europe | 36-37 | 38-39 | 40-41 | 42-43 | 44-45 | 46-47 |
| UK | 3.5-4 | 5-6 | 6.5-7.5 | 8-9 | 10-10.5 | 11.5-12 |
| USA | 4.5-5 | 6.5-7.5 | 8-9 | 9.5-10.5 | 11-11.5 | 12.5-13 |
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| Europe | 36-37 | 38-39 | 40-41 | 42-43 | 44-45 | 46-47 |
| UK | 3.5-4 | 5-6 | 6.5-7.5 | 8-9 | 10-10.5 | 11.5-12 |
| USA | 4.5-5 | 6.5-7.5 | 8-9 | 9.5-10.5 | 11-11.5 | 12.5-13 |
