Naboso Form Size Chart
| Size | Men's | Women's |
| N1 | 4-4.5 | 6-6.5 |
| N2 | 5-5.5 | 7-7.5 |
| N3 | 6-6.5 | 8-8.5 |
| N4 | 7-7.5 | 9-9.5 |
| N5 | 8-8.5 | 10-10.5 |
| N6 | 9-9.5 | 11-11.5 |
| N7 | 10-10.5 | 12 |
| N8 | 11-11.5 | |
| N9 | 12-13 |
| Size | Men's | Women's |
| N1 | 4-4.5 | 6-6.5 |
| N2 | 5-5.5 | 7-7.5 |
| N3 | 6-6.5 | 8-8.5 |
| N4 | 7-7.5 | 9-9.5 |
| N5 | 8-8.5 | 10-10.5 |
| N6 | 9-9.5 | 11-11.5 |
| N7 | 10-10.5 | 12 |
| N8 | 11-11.5 | |
| N9 | 12-13 |