O'Neal SONUS Helmet SPLIT black/gray M (57/58 cm)

- Shell is produced with high-quality ABS
- Multiple air vents for optimal ventilation and cooling
- Airflaps™ compatible
- Optional available plastic break-away visor screws for improved safety
- O'Neal Fidlock® magnetic buckle (engineered in Germany) for easy, single-handed fastening and release, provides maximum security while riding
- Padded comfort liner, removable, sweat absorbing and washable
- Goggles rest securely in place on ridge at back of shell
- Height adjustable visor
- Meets EN1078 safety standard for bicycle helmets and meets ASTM downhill standard

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