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Smith - Mainline MIPS

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Mainline MIPS

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    Give credit where credit is due. Thank your mother, your legs and your equipment for giving you the opportunity to land this rocky gap. Designed to go big, go fast, or both, the Smith Mainline is the ultimate certified downhill enduro bike helmet. Safety innovations like Koroyd™ and MIPS® provide energy-absorbing impact protection so you have the confidence to go aggressive on the trail. Whether you're riding the EWS in Whistler or struggling for the final stage of your local enduro race, you need a breathable, lightweight helmet that pairs well with goggles and fits like a glove. The Mainline integrates with your cycling goggles for efficient ventilation and fog-free vision. Multiple sets of pads, including liners and neck pads, let you customize the fit.





    • 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 f


    • 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, ASTM F1952 downhill, and NTA-8776 E-Bike certified


    • 21 fixed vents for consistent airflow
    • Adjustable visor
    • Hybrid X-STATIC® / Ionic+® anti-bacterial performance lining for odor resistance
    • Weight (Size M, MIPS®): 27 oz / 770 g