Made for going big, going fast, or both, the Smith Mainline is our pinnacle, downhill certified enduro bike helmet. Safety innovations like Koroyd and MIPS provide energy-absorbing impact protection so you have the confidence to get aggressive on the trail.

FEATURES

FEATURES:

• Aerocore construction featuring complete Koroyd coverage for lightweight, energy-absorbing and ventilated impact protection
• MIPS Brain Protection System reduces rotational forces caused by angled impacts to the head
• CPSC CE EN 1078 and ASTM F1952 downhill certified
• Designed for ultimate integration with Smith performance goggles for maximum comfort, venting and storage convenience
• AirEvac ventilation system integrates with Smith goggles for fog-free lenses
• Three washable cheek pad kits, two crown liners and two neck rolls let you fine tune the fit
• D-ring chin strap fastener for a snug fit
• 21 fixed vents for consistent airflow
• Adjustable visor
• Hybrid X-STATIC / XT2 anti-bacterial performance lining for odor resistance
• Weight (Size M, MIPS): 27 oz / 770 g

• Complies with U.S. CPSC Safety Standard for bicycle helmets for persons aged 5 and older.