Saysh One runs small and has a more narrow fit. We'd suggest you size up 1/2 a size.
| US & Canada | UK | Europe | Japan (cm) | CHN (mm) |
|---|---|---|---|---|
| 5.5 | 3.5 | 36 | 22 | 220 |
| 6 | 4 | 36-37 | 22.5 | 225 |
| 6.5 | 4.5 | 37 | 23 | 230 |
| 7 | 5 | 37-38 | 23.5 | 235 |
| 7.5 | 5.5 | 38 | 24 | 240 |
| 8 | 6 | 38-39 | 24.5 | 245 |
| 8.5 | 6.5 | 39 | 25 | 250 |
| 9 | 7 | 39-40 | 25.5 | 255 |
| 9.5 | 7.5 | 40 | 26 | 260 |
| 10 | 8 | 40-41 | 26.5 | 265 |
| 10.5 | 8.5 | 41 | 27 | 270 |
| 11 | 9 | 41-42 | 27.5 | 275 |
| 11.5 | 9.5 | 42 | 28 | 280 |
| 12 | 10 | 42-43 | 28.5 | 285 |
| 12.5 | 10.5 | 43 | 29 | 290 |
| 13 | 11 | 43-44 | 29.5 | 295 |
