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The HJC C10 Solid Helmet is built for street riders who want lightweight full-face protection, excellent visibility, effective ventilation, and everyday comfort. Its advanced polycarbonate shell is shaped using CAD technology for a secure fit, while HJC's Advanced Channeling Ventilation System helps move heat and humidity through the helmet during the ride.
- Advanced polycarbonate shell provides lightweight protection and comfort
- CAD-developed shell design helps provide a secure and comfortable fit
- DOT approved for street motorcycle use
- Advanced Channeling Ventilation System provides full front-to-back airflow
- Three intake vents and two exhaust vents help remove heat and humidity
- HJ-34P Pinlock®-ready face shield
- Face shield provides 99% UV protection
- Anti-scratch shield coating
- Enlarged eye port provides approximately 10mm more field of view
- Moisture-wicking and quick-drying interior
- Removable and washable crown liner and cheek pads
- Integrated speaker pockets accommodate Bluetooth communication systems
- Designed for street and touring motorcycle riding
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Size: Small
HJC C10 Adult Helmet Size Chart
| Size | Head Circumference |
|---|---|
| X-Small | 54-55 cm |
| Small | 55-56 cm |
| Medium | 57-58 cm |
| Large | 58-59 cm |
| X-Large | 60-61 cm |
| 2X-Large | 62-63 cm |
How to Measure: Wrap a soft measuring tape around the widest part of the head, approximately one inch above the eyebrows and around the largest portion at the back of the head. Keep the tape level and snug without pulling it tight.
Fit Note: A motorcycle helmet should fit securely and evenly around the head without painful pressure points. It should not move excessively when the rider turns or shakes their head.
The interactive size finder uses head circumference as the primary measurement. For helmets, proper secure fit should take priority over a looser fit preference.
Helmet Size Convention Chart
The size chart is for reference. Always try the helmet on and follow the instructions for a proper fit.
| Size | CM | Hat Size | Inches |
|---|---|---|---|
| 3XS | 50–51 | 6 1/4 – 6 3/8 | 19 3/4 – 20 1/8 |
| 2XS | 52–53 | 6 1/2 – 6 5/8 | 20 1/2 – 20 7/8 |
| XS | 54–55 | 6 3/4 – 6 7/8 | 21 1/4 – 21 5/8 |
| S | 55–56 | 6 7/8 – 7 | 21 5/8 – 22 |
| M | 57–58 | 7 1/8 – 7 1/4 | 22 1/4 – 22 7/8 |
| L | 58–59 | 7 1/4 – 7 3/8 | 23 1/4 – 23 5/8 |
| XL | 60–61 | 7 1/2 – 7 5/8 | 23 5/8 – 24 |
| 2XL | 62–63 | 7 3/4 – 7 7/8 | 24 3/8 – 24 3/4 |
| 3XL | 64–65 | 8 – 8 1/8 | 25 1/8 – 25 1/2 |
| 4XL | 66–67 | 8 1/4 – 8 3/8 | 26 – 26 3/8 |
| 5XL | 68–69 | 8 1/2 – 8 5/8 | 26 3/4 – 27 1/8 |