| Description | Suit head circumference | Compatible with base size | Foam thickness |
Special XS
|
53 - 55 cm
|
S/M
|
12mm
|
Special for narrow head shape
|
54 - 56 cm
|
S/M
|
9mm
|
| Base S/M
|
55 - 58* cm
|
S/M
|
6mm
|
Base M/L |
58* - 62 cm
|
M/L
|
12mm
|
Base XL/XXL
|
61 - 64 cm
|
XL/XXL
|
9mm
|
Special XXXL
|
64 - 65 cm
|
XL/XXL
|
3 mm
|