| Women's Sock Size | Men | Women | Euro |
|---|---|---|---|
| Small | 2.5-5 | 4.5-7 | 35-37 |
| Medium | 5.5-7.5 | 7.5-9.5 | 38-40 |
| Large | 8-9.5 | 10-11.5 | 41-42 |
| X-Large | 10-12 | 12-14 | 43-45 |
All Wide Open socks stretch up to a 4E width.
| Women's Sock Size | Men | Women | Euro |
|---|---|---|---|
| Small | 2.5-5 | 4.5-7 | 35-37 |
| Medium | 5.5-7.5 | 7.5-9.5 | 38-40 |
| Large | 8-9.5 | 10-11.5 | 41-42 |
| X-Large | 10-12 | 12-14 | 43-45 |
All Wide Open socks stretch up to a 4E width.