Shoe widths run on a letter scale, and the same letter means different things for women’s and men’s shoes: the standard width is B for women’s shoes and D for men’s.
| Width | Women’s | Men’s |
|---|---|---|
| 2A (AA) | Narrow | — |
| B | Medium (standard) | Narrow |
| D | Wide | Medium (standard) |
| 2E (EE) | Extra Wide | Wide |
| 4E (EEEE) | — | Extra Wide |
| 6E | — | Extra Extra Wide |
