Oneal - Sierra 2 R Adventure helmet Features:

• A full XS-2XL size range
• ABS Constructed shell
• Weighing in at only 1590g
• Moisture-wicking air channeled comfort liner
• Removable and Washable lining
• Plenty of ventilation for maximum airflow
• UV protected visor
• Height adjustable helmet peak
• Padded chin strap with Double-D safety lock
• DOT and ECE22.05 approved
• Replacement parts available*