| STRETCH SOCK SIZE | FITS SHOE SIZE | ||||
|---|---|---|---|---|---|
| Youth | Men's | Women's | UK | EC | |
| Youth YS | 4 - 7 Toddler | ||||
| Youth YM | 7 - 10 Toddler | 7 - 10 | 25 - 28 | ||
| Youth YL | 10 - 2 | 3 - 5 | 10 - 3 | 28 - 31 | |
| Youth YX | 1 - 5 | 4 - 7 | 3 - 5½ | 32 - 38 | |
| Adult SM/MS | 1 - 5 | 4 - 7 | 3 - 5½ | 32 - 38 | |
| Adult MD | 5 - 9½ | 6 - 10 | 5 - 8 | 37 - 42 | |
| Adult LG | 9 - 12 | 10 - 13 | 8 - 11½ | 43 - 47 | |
| Adult XL | 12 - 15 | 12 - 14 | 47 - 50 | ||
| Adult 2L | 15 - 17 | 15+ | 51+ | ||
| FITTED SOCK SIZE | Men's | Women's | |||
| 10 - Green toe seam | 6-8 | 7-9 | |||
| 11 - Red toe seam | 8-10 | 9-11 | |||
| 12 - Blue toe seam | 10½ - 12 | 12-13 | |||
| 13 - Yellow toe seam | 12 - 13 | ||||
| 14 - Black toe seam | 13½ - 14½ | ||||