O'Neal CHALLENGER Helmet EXO black/gray/red M (57/58 cm)

- Helmet with 2 outshells and 2 EPS for increased safety and perfect fit
- Shell is produced with high-quality ABS
- Multiple air vents for optimal ventilation and cooling
- Microlock closure
- Padded comfort liner, removable, sweat absorbing and washable
- Bluetooth Ready with internal speaker cavities and rubber hoop at back of the helmet (Bluetooth unit not included)
- Pinlock® ready for optional use
- Clear Visor plus secondary integrated sun visor
- Meets new ECE 22.06 test standards for increased safety
- Please note: The helmet is slightly smaller than its ECE 22.05 predecessor

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