Mask Size Chart
Weight measurement
| Recommended size | kg | lb |
| L | Over 75 | Over 165 |
| M | 50 - 75 | 110 - 165 |
| S | 30 - 50 | 65 - 110 |
| XS | 12 - 30 | 26 - 65 |
Eye - chin distance measurement
| Recommended size | CM | IN |
| L | Over 11.8 | Over 4.7 |
| M | 10.6 - 11.7 | 4.2 - 4.6 |
| S | 8.6 - 10.5 | 3.4 - 4.1 |
| XS | Under 8.5 | Under 3.3 |