Pro Heavy Duty Competition Belt Size Guide
| Size | OAL (Overall Length) | Overlap |
| Small | 38.5'' - 97.79 cm | 9'' - 22.86 cm |
| Medium | 43'' - 109.22 cm | 9'' - 22.86 cm |
| Large | 46.5'' - 118.11 cm | 9'' - 22.86 cm |
| X-Large | 50'' - 127 cm | 9'' - 22.86 cm |
| XX-Large | 54'' - 137.16 cm | 9'' - 22.86 cm |