Size Chart
Rely on your head circumference to choose the correct size.
| Size |  Head Circumference |
 Center Height of the Mask |
 Mask Width |
| XS/S | 53-55 cm (20.8-21.6 in) | 23.5 cm (9.2 in) | 62 cm (24.4 in) |
| S/M | 55-57 cm (21.6-22.4 in) | 25 cm (9.8 in) | 64 cm (25.2 in) |
| M/L | 57-59 cm (22.4-23.2 in) | 26.5 cm (10.4 in) | 66 cm (26 in) |
Practical tip: When taking the measurement, position yourself at the strongest part of your head. This is located in the middle of the forehead, generally 1 cm above the eyebrows, where the hat will sit. Take the measurement with your head held straight and the tape horizontal.