Giro Aeon

5.0 stars
 (2 Reviews)
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  • Aeon overview...

  • In-Mold construction proc...

  • Wind Tunnel ventilation s...


Giro's Aeon is the pinnacle of lightness and comfort and a great choice for your road riding. This trick lid dropped 28% off the weight of its predecessor, while actually adding features. For durability it boasts Giro's In-mold polycarbonate shell with a reinforced thermoformed Giro SL Roll Cage, and for comfort there are 24 vents with Giro's Wind Tunnel technology to draw the air through. Complementing the ventilation is Giro's Roc Loc 5 retention system and anti-microbial X-Static padding for a custom fit and exceptional comfort.

Features & Info

Sizing chart

Giro helmet sizing chart

Roc Loc 5 fit system

Giro's Roc Loc 5.

A) Micro Dial - A ratcheting dial that’s simply twisted to tighten and loosen the fit.

B) Three-Position Vertical Fit - Lets you raise and lower the Roc Loc system to the perfect position.

C) Ergonomic Arms - Minimal shape fits comfortably and accommodates eyewear.

D) Dual Pods – Supportive, minimal panels that cradle your head for the utmost in comfort and safety.

E) Strap Management - The straps (not shown) are woven through the fit system to always remain in the right place.


Consumer Reviews

5.0 stars

(2 reviews)

100% of respondents would recommend this to a friend.


  • Good ventilation  (2)
  • Durable  (2)
  • Lightweight  (2)
  • Convenient back-of-head adjustment 
  • Nice fit system/pads 


Best Uses

  • Road cycling  (2)

Sep 08, 2014

Lightweight performance and safety

Durable, Lightweight, Good ventilation
Best Uses:
Road cycling
I first purchased the Aeon as a replacement for another helmet that was old and just worn out. I was sold on its performance in keeping me cool during long rides in Iowa summers. I was also very thankful for the incredible engineering that went into this helmet as it probably saved me from some serious medical bills. I crashed out on a ride and hit the ground pretty hard. The helmet took the brunt of the impact. I cracked four of the braces and I walked away from the crash with just the typical road rash. Thanks Giro for the incredible helmet!! I'm already riding with the replacement. I highly recommend this helmet.
by Michael Keen from Des Moines, IA

Mar 25, 2012

Takes a licking, but keeps on ticking

Convenient back-of-head adjustment, Nice fit system/pads, Good ventilation, Durable, Lightweight
Best Uses:
Road cycling
After a recent cycling mishap left me with two fractured ribs, pneumothorax, and three days in the hospital, I count myself extremely fortunate by not incurring a serious head injury. While my Giro Aeon suffered three breaks in the shell, it remained intact and absorbed the impact in magnificent fashion. I am heading to [...] today to purchase a replacement.
by T-bird from Houston, TX