To upgrade or downgrade the lining of your Arai helmet, you can order the lining in different strengths. Please, take the standard strengths of your helmet from the following table:
Inner lining
Helmet size
Inner lining strengths
XS
10mm
S
7mm
M
10mm
L
7mm
XL
7mm
XXL
5mm
für RX-7 GP Dry-Cool Inner Lining (100% polyester) easily cleaned