Made for going big, going fast, or both, the Smith Mainline is a pinnacle, downhill certified enduro bike helmet. Safety innovations provide energy-absorbing impact protection so you have the confidence to get aggressive on the trail. It doesn't matter if you're slaying the EWS in Whistler or suffering through the last stage of your local enduro race, you need a breathable, lightweight helmet that pairs well with goggles and fits like a glove.

Details:

• 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
• 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 / Ionic+ anti-bacterial performance lining for odor resistance
• Weight (Size M): 27 oz / 770 g
• Included: Smith drawstring helmet bag
• According to the manufacturer, the helmet can be used in races within the EU
  

MIPS System
An innovative, patented, multi-directional impact protection system. The outer and inner shells can rotate into each other in the event of an impact, thus absorbing the force of a lateral impact and counteracting the rotational force.