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Smith Optics Mainline MIPS

Smith Optics Mainline MIPS
Matte Sage - Red Rock
  • Matte Sage - Red Rock
  • AC | Rocky Mountain Enduro
  • Matte Cinder Haze
  • White - Black
  • Matte Black
Please select options


Give credit where credit's due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. 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. 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.

- 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

Fit / Integration
- 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

- Small: 51 - 55cm
- Medium: 55 - 59cm
- Large: 59 - 62cm

Part Numbers

Option UPC MPN Store SKU
Matte Sage/Red Rock / Small 716736216768 E0074204W5155 MAI39888377M
Matte Sage/Red Rock / Medium 716736216775 E0074204W5559 SMI40850234M
Matte Sage/Red Rock / Large 716736216782 E0074204W5962 MAI39487250M
AC | Rocky Mountain Enduro / Small 716736286662 E0074234B5155 SMI3896972M
AC | Rocky Mountain Enduro / Medium 716736286679 E0074234B5559 SMI39909157M
AC | Rocky Mountain Enduro / Large 716736286686 E0074234B5962 SMI38830668M
Matte Cinder Haze / Small 716736336442 E007423K45155 MAI38736271M
Matte Cinder Haze / Medium 716736336459 E007423K45559 MAI39571101M
Matte Cinder Haze / Large 716736336466 E007423K45962 MAI38932706M
White/Black / Small 716736336503 E007423OD5155 MAI33163815M
White/Black / Medium 716736336510 E007423OD5559 MAI34981467M
White/Black / Large 716736336527 E007423OD5962 MAI33273678M
Matte Black / Small 716736216850 E007429RX5155 SMI35258746M
Matte Black / Medium 716736216867 E007429RX5559 SMI36318238M
Matte Black / Large 716736216874 E007429RX5962 SMI35351749M