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The outer shell is moulded lightweight high-grade ABS thermoplastic polymer with a total of 17 vents to keep you cool. The ventilation is adjustable on the mouthpiece allowing you to optimise the airflow to your own comfort levels. A chin skirt keeps the noise level down on the tarmac. The ultra-plush padded internal liner is removable and washable and fast at wicking away perspiration to keep you dry. The helmet has an internal flip-down sun visor and the external clear visor can be removed for open face riding with googles. The retention strap has a double-D fastening. The O’Neal Sierra II adventure motocross helmet is also available in Slingshot Blue Slingshot Orange and Slingshot Black.
- Shell in constructed with ABS
- Moisture wicking removable/washable air channeled comfort liner
- Vent holes for optimal ventilation
- Integrated face shield
- Height adjustable helmet shield
- Padded Chin Strap with Double-D safety lock
- Designed for Street Enduro Side by Side and Adventure Bikes
- Replacement parts available