Giro Air Attack

Priced: $199.95 - $240.00 Rated:   - 5 stars out of 5 by 4 reviews.
Giro Air Attack
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Color: Blue / White
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Giro Air Attack -

The Garmin-Barracuda riders are using them, as well as many other of the peloton's racers. And while it might still be too early to say that we're used to seeing them, the trend among the number of pros who've made the switch is rising. We're talking about those 'odd-looking' round helmets that look like they belong atop BMX riders' domes more than those of road cyclists. But, like any new products adopted by pros that seem out of place at first, there's usually some solid reasoning behind their implementation. As for the new Giro Air Attack helmet, it comes down to a single word: aerodynamics.

Traditionally, aerodynamic cycling helmets have relied on sloping shapes, minimal venting, and a teardrop tail design to dictate the flow of air in order to overcome aerodynamic drag. However, with Giro's new Air Attack, its engineers had to rethink the shape of this typical design. The reason for this was simple -- the objective of the Air Attack was to mate an aerodynamic helmet with a design that was compact, well-ventilated, and able to be worn for long periods of time.

To start, the helmet was designed with a similar frontal area as Giro's Selector time trial helmet, only with a new 'chopped-off' rear section. Wind tunnel testing proved that the air still 'thinks' it's moving around a long tail, when, in fact, the excess material no longer exists. In addition to now having roughly the same minimal drag (only 11% more) than the Selector, the Air Attack provides a drastic increase in weight savings. In fact, the claimed weight of the Air Attack is 264g versus the Selector's 430g.

The second major consideration when designing the Air Attack came down to thermodynamics. After all, Giro's engineers knew that a lightweight, aerodynamic helmet was worthless to the peloton if didn't ventilate well. This led Giro to the development of what it calls 'the Therminator,' which is a head-form heated to the temperature of a human, with 'thermo-couples' added on the outside. The information relayed from this system allowed engineers to map out parts of the head that stayed both cool and warm in the wind tunnel, which let Giro locate where vents were working and where they were not. What Giro found was that as air hits the rider, there is a very high pressure zone right at the forehead. In response, the Air Attack's new fit system, known as Super Fit, suspends the rider's head off of the EPS, allowing air entered in that front three millimeter portion of the helmet to flow over the top of the head and out the large, strategically placed back channels. Remember that 11% additional drag over the Selector? The 28% increased cooling power achieved ought to make up for it.

The Attack isn't as light as Giro's fully-vented and top-end Aeon helmet, but it still provides you with 97% of its cooling efficiency and an 11% boost in aerodynamic efficiency. We'll let you weigh the trade-off.

The Giro Air Attack Helmet is available in the sizes Small, Medium, and Large and in the colors Black/silver, Black/red, Blue/black, Matte Black, Matte Titanium, and White/silver.



  • Lightweight, thin and adjustable webbing harness with a slim buckle gives you a low-profile, custom fit
  • Roc Loc Air retention system lets you literally dial in a comfortable fit with a small knob; system can also be adjusted up and down to find that "just right" fit


  • Giro Air Attack bike helmet has removable X-static® padding that helps wick sweat away from your head


  • Strategic vent placement and shape of the helmet's interior help move cool air over your head while stale, hot air is vented out
  • 6 vents for ventilation, internal channeling

Weather and Wind:

  • Wind tunnel-aided design


  • Tough, lightweight outer shell is molded to the impact-absorbing expanded polystyrene liner to creating a light and strong helmet
  • Integrated silver fibers have natural antimicrobial properties to combat odors
  • In-Mold polycarbonate shell with EPS liner
Al's Sports
Protect your noggin! The Giro Air Attack Helmet is the helmet to do it.Free Speed. Giro's first Air Attack was a revelation in styling performance for all types of riding - from track and triathlon, road and mountain biking to cyclocross. Inspired by the original, the new Air Attack delivers a dose of free speed. Its compact, lightweight and super-aerodynamic design slices through air to deliver a hyper-efficient ride. And with the comfort, adjustability and enhanced airflow you get from the all-new Roc Loc Air system, this helmet is one of the coolest designs you can put on your head. Giro Air Attack Helmet Features: Featherweight webbing with Slimline buckleWind tunnel-aided designRemovable X-Static comfort paddingIn-Mold polycarbonate shell with EPS liner6 vents for ventilation, internal channeling

With a sleek, compact design informed by wind-tunnel testing, the Giro Air Attack bike helmet is a highly aerodynamic helmet for all-around road riding, from stage races to scenic centuries.

Ideal for use from track to triathlon, road to mountain biking to cyclocross.
In-mold construction process permanently fuses a light, yet hardy polycarbonate outer shell with the EPS foam liner to create a more durable bicycle helmet.
Wind tunnel aided design.
Six wind tunnel vents throughout for optimal breathability.
Removable X-Static padding for a customer fit.
Roc Loc Air fit system delivers enhanced comfort, stability and easy, one-handed adjustability, at a 40% lighter weight than comparable systems.
Featherlight webbing straps with Slimline buckle closure.
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Average Price History: Price History
Review RatingNumber of Reviews
Circumference:21 3⁄4 in
Head circumference:Cycling
Helmet style:Cycling
LG:23.25-24.75 in/59-63 cm
MD:21.75-23.25 in/55-59 cm
SM:20-21.75 in/51-55 cm

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Giro Air Attack Reviews:


According to Giro's data, the Air Attack provides an 11% increase in aerodynamic efficiency over the Giro Aeon, and it comes in around 166 grams lighter than the Selector. Impressive. In real world application, I found a noticeable difference in my descent and flat course times. In fact, on my backyard Cat.3 descent, Royal Street, I increased an average speed of 32.7mph to 34.3mph - a gain of around 15 seconds over 4.7 miles. Again, impressive. In terms of climbing, I didn't experience any obvious benefits, but more importantly, we didn't experience any obvious overheating. Again, I'll reference Giro's data and say that the Air Attack is supposed to have 97% of the Aeon?s cooling properties. However, that remaining 3% does lead to a slight stifling sensation through climbs that are above 75 degrees Fahrenheit. Was it the end of the world? No. Were the marginal gains worth it? I say yes.

Jeff Stewart at on 11/13/2013

Giro Air Attack Bike Helemt by Giro

Great Helmet, use it daily. It is cooler and my avg speed is up some as I expected it to be. My only minor issue with the helmet is that the adjustment of the chin strap leaves the extra strap loose. I will figure out how to make a device to keep it in and more aerodynamic.

Overall rating on this helmet is a 5 Star Rating,
17 Hawkeye at REI on 06/06/2013

This helmet beat my expectations in the summer, but the added coverage makes winter riding much more comfortable.
Additionally, the Roc-loc air retention system would make me buy this helmet on fit alone.
The system's forehead pad is slightly positioned away from foam, reducing any pressure points caused by different head shapes.

Chris at on 11/07/2013

I got this before doing my first ironman. I don't like the traditional aero helmets. This helmet delivers, very comfortable over the full distance. Great adjustability.

cfrp660648 at on 09/15/2013