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Smith Mainline MIPS Full Face Helmet

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Available in store

SKU: E007429RX5155

Made for going big, going fast, or both, the Smith Mainline is the brand's pinnacle, DH 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. 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. The Mainline integrates with your bike goggles for efficient venting and fog-free vision. Multiple pad sets including liners and neck-rolls let you customize the fit.


  • 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

Fit / Integration / Features

  • 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
  • Hybrid X-STATIC® / Ionic+® anti-bacterial performance lining for odor resistance
  • 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
  • Adjustable visor


  • Head Circumference: S 51-55mm // M 55-59cm // L 59-62mm
  • Ventilation: 21 fixed vents for consistent airflow
  • Certification: CPSC CE EN 1078, ASTM F1952 downhill, NTA-8776 E-Bike
  • Weight: 770g (Medium)
  • Item #: E007429RX // E007423OD // E007421PQ // E007421O8 // E007421NZ

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