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Smith Optics Mainline MIPS

Smith Optics Mainline MIPS
  • Color: AC Iago Garay
  • Color: Matte Black
  • Color: Matte Cinder Haze
  • Color: Matte Spruce/Safari
  • Color: White/Black
  • Color: Matte Archive Wild Child
  • Color: Matte Stone/Moss
  • Color: Matte Coyote/Indigo
  • Color: Matte Dusk/Bone
Size: Select size
Please select options Unavailable


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.

PROTECTION: 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: 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, 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

FEATURES: 21 fixed vents for consistent airflow, Adjustable visor, Hybrid X-STATIC / Ionic+ anti-bacterial performance lining for odor resistance

WEIGHT: (Size M, MIPS) 27oz / 770g


SizeHead Circumference
X-Small 48-52cm
Small 51-55cm
Medium 55-59cm
Large 59-62cm
X-Large 61-65cm

CPSC, CE EN 1078, ASTM F1952

Part Numbers

Option UPC MPN Store SKU
AC Iago Garay / Small 716736336411 E007423585155 210000153547
Matte Black / Small 716736216850 E007429RX5155 210000142958
Matte Black / Medium 716736216867 E007429RX5559 210000142959
Matte Black / Large 716736216874 E007429RX5962 210000142960
Matte Cinder Haze / Large 716736336466 E007423K45962 210000146398
Matte Spruce/Safari / Medium 716736336480 E007423L45559 210000153552
White/Black / Medium 716736336510 E007423OD5559 210000153554
Matte Archive Wild Child / Medium 716736924533 E007421NZ5559 210000171597
Matte Stone/Moss / Small 716736752761 E007420XL5155 210000164267
Matte Coyote/Indigo / Small 716736924557 E007421O65155 210000171587
Matte Coyote/Indigo / Medium 716736924564 E007421O65559 210000171588
Matte Coyote/Indigo / Large 716736924571 E007421O65962 210000171589
Matte Dusk/Bone / Small 716736924588 E007421O85155 210000171593