| Gender | Men's | Women's | Youth | |||||
| Sock Size | S | M | L | S/M | M/L | XS/S | S/M | M/L |
| USA Men's | 5.5 - 7.5 | 7.5 - 10.5 | 10.5 - 13.5 | - | - | - | - | - |
| USA Women's | 6.5 - 8.5 | 8.5 - 11.5 | 11.5+ | 4 - 7 | 7 - 10 | - | - | - |
| Euro | 37 - 40.5 | 40 - 43.5 | 43.5 - 46.5 | 34 - 38 | 38 - 42 | 27 - 29 | 30.5 - 31 | 33 - 35 |
| CM | 23.5 - 25.5 | 25.5 - 28.5 | 28.5 - 31 | 21 - 24 | 24 - 27 | 16.5 - 18.5 | 19.5 - 20 | 20.5 - 22 |
| USA Kids' | - | - | - | - | - | 10 - 12 | 13 - 1 | 2 - 4 |