LUNA Sandals Size Chart
Adult
| Foot Length (cm) | LUNA Men's | LUNA Women's | LUNA Sandal Width (cm) |
| 21.9 - 22.2 | 4 | 6 | 9.2 |
| 22.3 - 22.6 | 4.5 | 6.5 | 9.4 |
| 22.7 - 23 | 5 | 7 | 9.6 |
| 23.1 - 23.5 | 5.5 | 7.5 | 9.8 |
| 23.6 - 23.9 | 6 | 8 | 10 |
| 24.0 - 24.3 | 6.5 | 8.5 | 10.2 |
| 24.4 - 24.7 | 7 | 9 | 10.4 |
| 24.8 - 25.2 | 7.5 | 9.5 | 10.55 |
| 25.3 - 25.6 | 8 | 10 | 10.7 |
| 25.7 - 26.0 | 8.5 | 10.5 | 10.85 |
| 26.1 - 26.4 | 9 | 11 | 11 |
| 26.5 - 26.8 | 9.5 | 11.5 | 11.15 |
| 26.9 - 27.3 | 10 | 12 | 11.35 |
| 27.4 - 27.7 | 10.5 | 12.5 | 11.5 |
| 27.8 - 28.1 | 11 | 13 | 11.7 |
| 28.2 - 28.5 | 11.5 | 13.5 | 11.85 |
| 28.6 - 29.0 | 12 | 14 | 12 |
| 29.1 - 29.4 | 12.5 | 14.5 | 12.2 |
| 29.5 - 30.1 | 13 | 15 | 12.4 |
Youth (LUNAcito)
| Length (cm) | LUNAcito Size |
| 19 | K12 |
| 19.8 | K13 |
| 20.6 | K1 |
| 21.5 | K2 |
| 22.4 | K3 |