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Manifest Spherical Mips Helmet

4.857142857142857 out of 5 stars
7 Reviews
Color:Matte White/Black


Size Chart


Why We Like The Manifest Spherical MIPS Helmet

The Manifest Spherical Helmet premieres Giro's revolutionary Spherical Technology for enhanced safety on the trail. Powered by MIPS, Spherical Technology utilizes a similar slip-plane design as MIPS for greater impact absorption at angular crashes, except Spherical opts for two layers of foam with a slip-plane between the two, instead of a plastic liner. This redirects impact energy by rotating the exterior liner independently from the interior liner, and it enables greater ventilation for a cooler time on the trail as well as a safer one.

Giro geared the Manifest for sweaty riding in hot weather with nineteen Wind Tunnel vents, all amplified thanks to Aura's reinforcement around the arch. XT2 padding provides a comfortable fit, and the lining wicks sweat, dries quickly, and reduces any unwanted odors. Giro also redesigned the Roc Loc Trail Air Fit System for enhanced durability and dynamic strength. The visor adjusts to accommodate eyewear and goggles, and Giro included grippers to make sure either stay in place.


  • Giro's premiere bike helmet for trail and all-mountain
  • Spherical Technology powered by MIPS for advanced protection
  • Progressive layering addresses high- and low-speed impacts
  • Aura reinforced arch encourages airflow through 19 channeled vents
  • Adjustable visor with goggle and eyewear grippers
  • Roc Loc Trail Air Fit System includes magnetic buckles
  • Quick-dry padding with XT2 odor control
  • Ages 5 and older
  • Item #GIRZ32Y
mountain biking
adjustable, screw-in
Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older, CE EN1078
Fit Adjustment
Roc Loc Trail Air
19 Wind Tunnel vents with internal channeling
Manufacturer Warranty
1 year
Claimed Weight
Shell Material

Overall Rating

5 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 2 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

June 20, 2024

My favorite MTB helmet so far

I've used it once or twice and have initial impressions
Size Bought:

Comfortable and light.

5 out of 5 stars

March 25, 2021

So comfortable

I've used it once or twice and have initial impressions
Size Bought:
5' 6"

I absolutely love this helmet. I understand that many people consider it expensive, but when I see bib shorts going for 180 to 280, I think spending 250 on something that will save your life - or quality of life - to be pretty reasonable. Mag closure is super easy once you figure it out. You feel like you're pressing buttons to release it, but really you're just sliding the magnet apart. Once you realize that, it will stop messing with your head! The fit is SO nice. I can see why it's often rated as the most comfortable helmet. Zero pressure points, zero wiggle. I'm so happy I bought it!