For instep and heel fitting precision, we measure for foot size first. For larger calf sizes, and if already at the top of the foot size-range, consider the incrementally larger size for the Ski Pro Fit Compression Nano sock.
| Sock size | US Men | US Women | Euro | Boot |
| S | 4 - 6 | 4.5 - 7 | 34 - 37 | 20.5 - 23 |
| M | 6.5 - 8.5 | 7.5 - 9.5 | 38 - 41 | 23.5 - 25.5 |
| L | 9 - 11 | 10 - 12 | 42 - 44 | 26 - 28 |
| XL | 11.5 - 13.5 | 12.5+ | 45 - 47 | 28.5 - 30.5 |
| XXL | 14+ | 48+ | 31+ |
| Sock size | US Men | US Women | Euro | Boot |
| XS | 3 - 4.5 | 4 - 5.5 | 33 - 35 | 20.5 - 23 |
| S | 5 - 7.5 | 6 - 8.5 | 36 - 39 | 21.5 - 24.5 |
| M | 8 - 10 | 9 - 11 | 40 - 43 | 25 - 27 |
| L | 10.5 - 12.5 | 11.5 - 13.5 | 44 - 47 | 27.5 - 30 |
| XL | 13+ | 14+ | 48+ | 30.5+ |
| Sock size | US Men | US Women | Euro | Mondo |
| S | 4 - 6.5 | 5.5 - 8 | 35.5 - 39 | 21 - 24.5 |
| M | 7 - 9 | 8.5 - 10.5 | 39.5 - 42.5 | 25 - 26.5 |
| L | 9.5 - 11.5 | 11-13 | 43 - 45.5 | 27 - 28.5 |
| XL | 12+ | 46+ | 29+ |
| Sock size | US Men | US Women | Euro | Mondo |
| XS (Youth) |
3 - 4.5 | 4 - 5.5 | 33 - 35 | 20.5 - 23 |
| S | 5 - 7.5 | 6 - 8.5 | 36 - 39 | 21.5 - 24.5 |
| M | 8 - 10 | 9 - 11 | 40 - 43 | 25 - 27 |
| L | 10.5 - 12.5 | 11.5 - 13.5 | 44 - 47 | 27.5 - 30 |
| XL | 13+ | 14+ | 48+ | 30.5+ |
$21.38 USD Size Guide
For instep and heel fitting precision, we measure for foot size first. For larger calf sizes, and if already at the top of the foot size-range, consider the incrementally larger size for the Ski Pro Fit Compression Nano sock.
| Sock size | US Men | US Women | Euro | Boot |
| S | 4 - 6 | 4.5 - 7 | 34 - 37 | 20.5 - 23 |
| M | 6.5 - 8.5 | 7.5 - 9.5 | 38 - 41 | 23.5 - 25.5 |
| L | 9 - 11 | 10 - 12 | 42 - 44 | 26 - 28 |
| XL | 11.5 - 13.5 | 12.5+ | 45 - 47 | 28.5 - 30.5 |
| XXL | 14+ | 48+ | 31+ |
| Sock size | US Men | US Women | Euro | Boot |
| XS | 3 - 4.5 | 4 - 5.5 | 33 - 35 | 20.5 - 23 |
| S | 5 - 7.5 | 6 - 8.5 | 36 - 39 | 21.5 - 24.5 |
| M | 8 - 10 | 9 - 11 | 40 - 43 | 25 - 27 |
| L | 10.5 - 12.5 | 11.5 - 13.5 | 44 - 47 | 27.5 - 30 |
| XL | 13+ | 14+ | 48+ | 30.5+ |
| Sock size | US Men | US Women | Euro | Mondo |
| S | 4 - 6.5 | 5.5 - 8 | 35.5 - 39 | 21 - 24.5 |
| M | 7 - 9 | 8.5 - 10.5 | 39.5 - 42.5 | 25 - 26.5 |
| L | 9.5 - 11.5 | 11-13 | 43 - 45.5 | 27 - 28.5 |
| XL | 12+ | 46+ | 29+ |
| Sock size | US Men | US Women | Euro | Mondo |
| XS (Youth) |
3 - 4.5 | 4 - 5.5 | 33 - 35 | 20.5 - 23 |
| S | 5 - 7.5 | 6 - 8.5 | 36 - 39 | 21.5 - 24.5 |
| M | 8 - 10 | 9 - 11 | 40 - 43 | 25 - 27 |
| L | 10.5 - 12.5 | 11.5 - 13.5 | 44 - 47 | 27.5 - 30 |
| XL | 13+ | 14+ | 48+ | 30.5+ |
