| Sock Size | Men's shoe size | Women's shoe size |
| Small | - | 4 - 6 |
| Medium | 5 - 8.5 | 6.5 - 10 |
| Large | 9 - 12 | 10.5 - 12 |
| X Large | 13 - 15 | - |
| Sock Size | Women's shoe size |
| Small | 4 - 6 |
| Medium | 6.5 - 10 |
| Large | 10.5 - 12 |
| Sock Size | Kids' shoe size |
| Toddlers' Small | 2T - 3T |
| Toddlers' Medium | 4T - 5 |
| X Small | 6 - 8.5 |
| Small | 9 - 11.5 |
| Medium | 12 - 2.5 |
| Large | 3 - 6 |
Measurements stated in inches unless otherwise indicated.