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GiroAerohead MIPS Helmet


Item # GIR00D7

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Item # GIR00D7

Why We Like The Aerohead MIPS Helmet

Most TT's and triathlons take place anywhere from late spring through early fall, often on some of the hottest days of the year. A TT/tri-specific lid can certainly speed up your ride, but not if it isn't built with enough ventilation to keep you cool. How to make "aero" helmets that save watts without leaving cyclists trapped inside a stifling bubble is a recurring challenge for helmet manufacturers. That's why we're impressed with the Giro Aerohead MIPS Helmet's wind-cheating profile and efficient venting system, which incorporates more cooling channels than the Aerohead Ultimate and features the added protection of Multi-directional Impact Protection System (MIPS).

On the outside, the Aerohead uses a pretty standard In-Mold construction; polycarbonate fused to EPS foam acts as an initial shock-absorbing layer and keeps the helmet's efficient profile intact. Inside, a MIPS liner feels barely perceptible as you ride, but significantly reduces the likelihood of brain injury in the event of a crash. It's a technology that's becoming ubiquitous in helmets across disciplines because it rotates slightly upon impact to quell the damaging sloshing energy generated by certain impacts.

  • Save seconds while staying cool in your next TT/tri
  • Wind Tunnel vents stay cool without sacrificing aerodynamics
  • MIPS technology prevents brain injury in certain crashes
  • Integrated magnetic visor for clear field of vision
  • Extensive internal venting for continuous airflow
  • Effecting adjustment system for customizable fit
  • High-clarity ZEISS visor for optimal protection and visibility
  • Roc Loc Air fit system is lightweight and easy to adjust
  • Ages 5 and older

Tech Specs
Shell Materialpolycarbonate
Impact FoamEPS
Ventilationvented shield, 4 wind tunnel vents, over-brow ventilation
Fit AdjustmentRoc Loc Air
Visoryes, ZEISS Optics
CertificationsCPSC, EN 1078
Manufacturer Warranty1 year


Adult Cycling Helmets
Super Fit™
Head Circumference

18.5 - 20in

(47 - 51cm)

20 - 21.75in

(51 - 55cm)

21.75 - 23.25in

(55 - 59cm)

23.25 - 24.75in

(59 - 63cm)

24 - 25.55in

(61 - 65cm)

Head Circumference

21.25 - 24in

(54 - 61cm)

19.75 - 22.5in

(50 - 57cm)

22.75 - 25.5in

(58 - 65cm)

How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

What do you think about this product?


>Rating: 5

Giro Aerohead Helmet

I've put it through the wringer
True to size
Size Bought
5` 10"
155 lbs

I have owned many aero helmets, none of which I have really loved. This one I LOVE!! It fits perfectly and the magnetic shield is wonderful. It gives a wide open view and is so much better than wearing sunglasses. I just bought a second one, just in case they quit making it. I got this just for triathlons, but it is my everyday helmet as well!

>Rating: 4

Great helmet

I've used it once or twice and have initial impressions
True to size
Size Bought

Love the looks and it feels very aero. The only downside is that is a bit small on the sides so, trying to put it on T1 might be tricky.

>Rating: 4

4.5 starts

I've used it several times

I'm only docking it because it's a little on the small side, tight to get on, nothing terrible, and a tad heavier than I thought. But way more good than bad to it, fit and retention are very nice, field of vision is excellent. Would recommend to a friend.


I need to wear glasses even if I have a shield, otherwise I can't see much. Is there enough room to permit wearing a typical pair of cycling glasses under the shield?

I guess I have to answer my own question. I took a chance and ordered the helmet. It fits just fine over my glasses. If I had a really large glasses frame I'm not sure it would work.

>Rating: 5

Excellent Aero Helmet

I've used it several times
True to size

The Giro Aerohead MIPS Helmet is perfect for Time Trials. I recently wore it during the first TT of the racing season in Southern Arizona. Perfect fit. I almost need a large but have found the large being too big. With an aero helmet, expect the fit to be snug. I received numerous compliments on how it looked too! While I gave the helmet five stars, I wish Giro included a helmet cover to keep it protected when not in use.