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Contact UsArai Signet-Q Comfort Liner Sizing
| Helmet Size | Lining Code | 12 mm | 10 mm | 7 mm | 5 mm |
|---|---|---|---|---|---|
| XS | I | Optional | Standard | Optional | |
| SM | II | Optional | Standard | Optional | |
| MD | III | Optional | Standard | Optional | Optional |
| LG | III | Optional | Optional | Standard | Optional |
| XL | IV | Optional | Standard | Optional | |
| 2XL | V | Optional | Standard |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.