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Smith Optics Mainline MIPS

Smith Optics Mainline MIPS
  • Color: Matte Amethyst/Bone
  • Color: AC Iago Garay
  • Color: Matte Black
  • Color: Matte Archive Wild Child
  • Color: Matte Cinder Haze
  • Color: Matte Bone Gradient
  • Color: Matte Spruce/Safari
  • Color: White/Black
  • Color: Matte Coyote/Indigo
  • Color: Matte Slate/Fool'S Gold/Terra
  • Color: Matte Dusk/Bone
  • Color: Matte Stone/Moss
  • Color: Matte Midnight Navy/Sagebrush
$155.00 - $310.00
Color: Matte Archive Wild Child
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
Matte Archive Wild Child / Small 716736924526 E007421NZ5155 MAI38892974L
Matte Archive Wild Child / Large 716736924540 E007421NZ5962 MAI38382142E
Matte Coyote/Indigo / Small 716736924557 E007421O65155 MAI34639756L
Matte Coyote/Indigo / Large 716736924571 E007421O65962 MAI34645734E
Matte Midnight Navy/Sagebrush / Small 716736924618 E007421PQ5155 MAI43137795L
Matte Midnight Navy/Sagebrush / Medium 716736924625 E007421PQ5559 MAI44462605M
Matte Midnight Navy/Sagebrush / Large 716736924632 E007421PQ5962 MAI4335864E