| Sock Size | Shoe Size | ||||
| Youth | Men | Women | UK | Euro | |
| Youth Small (5-6) | 4-7 Toddler | - | - | - | - |
| Youth Medium (6-7) | 7-10 Toddler | - | - | 7-10 | 25-28 |
| Youth Large (7-9) | 10-2 | - | 3-5 | 10-3 | 28-31 |
| Youth Xlarge (8-9½) | 1-5 | - | 4-7 | 3-5½ | 32-38 |
| Adult Small (7-9) | 10-2 | - | 3-5 | 10-3 | 28-31 |
| Adult Medium Small (8-9½) | 1-5 | - | 4-7 | 3-5½ | 32-38 |
| Adult Medium (9-11) | - | 5-9½ | 6-10 | 5-8 | 37-42 |
| Adult Large (11-13) | - | 9-12 | 10-13 | 8-11½ | 43-47 |
| Adult Xlarge (13-15) | - | 12-15 | - | 12-14 | 47-50 |
| Adult 2Xlarge (15-17) | - | 15-17 | - | 15+ | 51+ |