Performance Socks Size & Fit
| S/M | L/XL | |
| US (W) | 8 - 10.5 | 11 - 13.5 |
| US (M) | 6 - 8.5 | 9 - 12 |
| EU | 38 - 42 | 43 - 45 |
| UK | 5.5 - 8 | 8.5 - 11.5 |
| JP | 22.5 - 27 | 27.5 - 29.5 |
*If you are between sizes and unsure which size to go for we always recommend sizing up.
| S/M | L/XL | |
| US (W) | 8 - 10.5 | 11 - 13.5 |
| US (M) | 6 - 8.5 | 9 - 12 |
| EU | 38 - 42 | 43 - 45 |
| UK | 5.5 - 8 | 8.5 - 11.5 |
| JP | 22.5 - 27 | 27.5 - 29.5 |
*If you are between sizes and unsure which size to go for we always recommend sizing up.