HJC DS-X1 Helmet.
Features
- D.O.T. Approved
- Advanced Polycarbonate Compact Shell : Lightweight, superior fit and comfort using advanced CAD technology. Impact Absorbing Multiple Density Expanded Poly-styrene Liner
- Dual Performance Street & Off Road
- Easily convert from Street; shield & Visor to Dirt; Visor Only. Aerodynamic Adjustable Visor and Shell
- Large Eye Port for maximum visibility and superior goggle fit.
- ?ACS? Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out.
- SuperCool® Moisture-wicking Interior: Anti-bacterial, removable and washable.
- HJ-27 Anti-Scratch Pin-Prepared Face Shield, Anti-fog Insert** sold seperately
- Glasses Groove can accommodate riders who wear glasses.
- Weight: XS 3.47 lbs (1,575 +/- 30g), SM to MD 3.46 lbs. (1,573 +/- 30g) LG to 2XL 3.68 lbs. (1,673 +/- 30g)
Sizing
Wrap a tape measure horizontally around your forehead. Select the helmet that is the closest fit to that size. A helmet should fit snug on your head. If it moves while wearing, it is too large. If it is painful to wear, it is too small.
| Size Chart | |||
| Size | CM: | Hat Size | Inches |
| 2XS | 51-52 | 6 3/8 - 6 1/2 | 20 - 20 1/2 |
| XS | 53-54 | 6 5/8 - 6 3/4 | 20 7/8 - 21 1/4 |
| S | 55-56 | 6 7/8 - 7 | 21 5/8 - 22 |
| M | 57-58 | 7 1/8 - 7 1/4 | 22 1/2 - 22 7/8 |
| L | 59-60 | 7 3/8 - 7 1/2 | 23 1/4 - 23 5/8 |
| XL | 61-62 | 7 5/8 - 7 3/4 | 24 - 24 3/8 |
| 2XL | 63-64 | 7 7/8 - 8 | 24 3/4 - 25 1/4 |
| 3XL | 65-66 | 8 1/8 - 8 1/4 | 25 5/8 - 26 |
| 4XL | 67-68 | 8 3/8 - 8 1/2 | 26 3/8 - 26 3/4 |
| 5XL | 69-70 | 8 3/4 - 8 3/4 | 27 1/4 - 27 5/8 |
