| Size | Small | Medium | Large |
| Height | under 5' (152cm) | 5'-6' (152-183cm) | above 6' (183cm) |
| Mouth size | Small mouth, children | Average mouth | Large mouth |
| Typical age | +7 years | +10 years | +13 years |
| Use with braces | No | Yes | Yes |
Sisu Mouthguard Next Generation Aero Size Chart
