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FirstGear Hyperion Carbon Helmet
Designed for the ultimate adventure riders, the Hyperion features a full carbon fiber shell with a moisture-wicking, dual-density EPS impact liner.
Features:- Injection-molded ABS shell
- Dual density EPS impact liner
- 2 Shell sizes, 3 EPS sizes
- Moisture-wicking removable liner
- Emergency release cheek pads
- Adjustable visor
- Removable shield
- High airflow ventilation system with four intake and four exhaust vents
- Closeable intake vents
- Meets DOT and ECE 22.05 certification standards
Sizing Information
Sizing information provided by First Gear.
Helmet Size | Hat Size | Head Measurement (inches) | Head Measurement (cm) |
---|---|---|---|
XS | 6 5/8-6 3/4 | 20 7/8-21 1/4 | 53-54 |
SM | 6 7/8-7 | 21 5/8-22 | 55-56 |
MD | 7 1/8-7 1/4 | 22 1/2-22 7/8 | 57-58 |
LG | 7 3/8-7 1/2 | 23 1/4-23 5/8 | 59-60 |
XL | 7 5/8-7 3/4 | 24-24 3/8 | 61-62 |
XXL | 7 7/8 | 24 3/4 | 63 |