S:3.8CM;
M:4.3CM;
L:4.8CM
Headgear Size:
S: fits head circuference up to 56cm/22". Most Women
L: fits head circuference up to 60cm/23.6". Most Men
Friendly Tips:
The size is measured by hands, please allow minor error of measurement.
Photo color might be a little different from the actual product due to color display of different monitors.
