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Giro Air Attack Shield Helmet

Sale $167.96 - $239.95

Item # GIR00AG Past Season Colors

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  • Matte White/Turquoise, S ($167.96)
  • Matte White/Turquoise, M ($167.96)
  • Matte White/Flame/Lime, S ($167.96)
  • Matte White/Flame/Lime, M ($167.96)
  • Matte White/Flame/Lime, L ($167.96)
  • Bright Red/Black, S ($239.95)
  • Bright Red/Black, M ($239.95)
  • Bright Red/Black, L ($239.95)
  • Highlight Yellow/Black, S ($239.95)
  • Highlight Yellow/Black, M ($239.95)
  • Highlight Yellow/Black, L ($239.95)
  • Matte White/Silver, S ($239.95)
  • Matte White/Silver, M ($239.95)
  • Matte White/Silver, L ($239.95)
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Item # GIR00AG

Safe slicing.

While we're not prepared to claim that the aerodynamics of Giro's Air Attack Shield Helmet is enough to make the difference between a podium and an also-ran, the wind tunnel-tested design certainly can't hurt your changes. This year's updated version continues to offer many of the same lightweight, efficient features as the previous versions with the addition of a redesigned shield to further improve its drag-shedding capabilities. The polycarbonate Flash shield, produced by Carl Zeiss Optics, serves to redirect air flow and keep your eyes protected and vision clear at high speeds. Post-race, it can be flipped up or unfastened entirely using its magnetic clips.

An In-Mold polycarbonate shell provides structural integrity to the Air Attack Shield's EPS foam body, diffusing impact in the event of a crash. For added comfort, Giro includes removable X-Static padding, which works with the Roc Loc Air fit system to ensure the helmet has a secure, streamlined fit. Six vents and internal channeling ensure that aerodynamics don't come at the cost of stifling heat by allowing for plenty of cooling airflow.

  • Removable Carl Zeiss Flash shield with magnetic clips
  • Roc Loc Air fit adjustment
  • X-Static padding
  • 6 vents

Tech Specs

Shell Material:
In-Mold (polycarbonate)
Impact Foam:
EPS (foam)
6 vents
Fit Adjustment:
Roc Loc Air
yes, removable
Recommended Use:
Manufacturer Warranty:
1 year

Size chart


Adult Cycling Helmets
 SS/MMM/LLXLAdult UniversalWomen's Universal
Head Circumference 20 - 21.75in
(51 - 55cm)
20 - 22.5in
(51 - 57cm)
21.75 - 23.25in
(55 - 59cm)
21.75 - 24in
(55 - 61cm)
23.25 - 24.75in
(59 - 63cm)
24 - 25.55in
(61 - 65cm)
21.25 - 24in
(54 - 61cm)
19.75 - 22.5in
(50 - 57cm)
Head Circumference 20 - 20.75in
(51 - 53cm)
21.25 - 22in
(54 - 56cm)
22.5 - 23.25in
(57 - 59cm)
23.5 - 24.25in
(60 - 62cm)
How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

Reviews & Community


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140.6 approved.

  • Familiarity: I gave it as a gift but have feedback to share
  • Fit: True to size

This helmet just saw my partner through a windy, relatively climb-heavy bike leg at Ironman Ceour d'Alene. She beat her target splits and entered T2 feeling a lot fresher than other competitors. I'm not sure how much the helmet actually helped, but every little bit can make the difference over 112 miles.

She also uses it for everyday road riding and training. The relative lack of vents hasn't given her any issues in Northern Utah's 100 degree summer.

My favorite "go-to" helmet

  • Familiarity: I've put it through the wringer
  • Fit: True to size

This helmet has solved the problem I had with sport glasses. My eyewear prescription is *co$tly* to order sport sunglasses...I wanted to wear my own glasses and this shield helmet allows this. Snap on the magnetic shield and I can comfortably wear my glasses behind the shield. The helmet is super comfortable - I chose the Neon color to be visible and it matches my shoes (Gaerne carbon) Its also not hot at all in the summer, given the vent area.

There is some wind noise, but not more than other helmets in my experience.

Great helmet

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size
  • Size Bought: Large

I have a few of these same helmets due to different homes, bikes and accessories. I really like the look, fit and functionality, really like the shield which does not require I wear separate bike sunglasses. Great matte white, orange and fluo yellow colors.