The Giro Aeon has the greatest combination of light weight, comfort & cooling performance. The new aeon weighs in at a staggering 222g yet also provides great comfort & cooling performance greater than any other Giro helmet. The Aeon is the perfect balance in top performance & truly is top of it's class.

Features: Thermoformed SL Roll Cage reinforcement Roc Loc 5 fit system Polycarbonate shell 24 Wind Tunnel vents, Internal channeling

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Lighter, cooler & better than ever before, the Giro Aeon has been fully optimized to give you maximum performance, practicality & safety throughout your road riding sessions. The sleek Aeon helmet features massive sculpted vents with interior channelling, an in-mold polycarbonate shell with an EPS liner, & an innovative Roc Loc 5 system for the perfect fit in seconds, making the Giro Aeon a must have for dedicated riders looking for a race ready, lightweight helmet. ...

Lighter, cooler & better than ever before, the Giro Aeon has been fully optimized to give you maximum performance, practicality & safety throughout your road riding sessions. The sleek Aeon helmet features massive sculpted vents with interior channelling, an in-mold polycarbonate shell with an EPS liner, & an innovative Roc Loc 5 system for the perfect fit in seconds, making the Giro Aeon a must have for dedicated riders looking for a race ready, lightweight helmet. ...

Lighter, cooler & better than ever before, the Giro Aeon has been fully optimized to give you maximum performance, practicality & safety throughout your road riding sessions. The sleek Aeon helmet features massive sculpted vents with interior channelling, an in-mold polycarbonate shell with an EPS liner, & an innovative Roc Loc 5 system for the perfect fit in seconds, making the Giro Aeon a must have for dedicated riders looking for a race ready, lightweight helmet. ...

The Giro Aeon has the greatest combination of light weight, comfort & cooling performance. The new aeon weighs in at a staggering 222g yet also provides great comfort & cooling performance greater than any other Giro helmet. The Aeon is the perfect balance in top performance & truly is top of it's class. ...

Lighter, cooler & better than ever before, the Giro Aeon has been fully optimized to give you maximum performance, practicality & safety throughout your road riding sessions. The sleek Aeon helmet features massive sculpted vents with interior channelling, an in-mold polycarbonate shell with an EPS liner, & an innovative Roc Loc 5 system for the perfect fit in seconds, making the Giro Aeon a must have for dedicated riders looking for a race ready, lightweight helmet. ...

Lighter, cooler & better than ever before, the Giro Aeon has been fully optimized to give you maximum performance, practicality & safety throughout your road riding sessions. The sleek Aeon helmet features massive sculpted vents with interior channelling, an in-mold polycarbonate shell with an EPS liner, & an innovative Roc Loc 5 system for the perfect fit in seconds, making the Giro Aeon a must have for dedicated riders looking for a race ready, lightweight helmet. ...

The Giro Aeon has the greatest combination of light weight, comfort & cooling performance. The new Aeon weighs in at a staggering 222g yet, also provides great comfort & cooling performance greater than any other Giro helmet. The Aeon is the perfect balance in top performance & truly is top of it's class.

Features: Thermoformed SL Roll Cage reinforcement Roc Loc 5 fit system Polycarbonate shell 24 Wind Tunnel vents, Internal channeling

...

The Giro Aeon has the greatest combination of light weight, comfort & cooling performance. The new aeon weighs in at a staggering 222g yet also provides great comfort & cooling performance greater than any other Giro helmet. The Aeon is the perfect balance in top performance & truly is top of it's class.

Features: Thermoformed SL Roll Cage reinforcement Roc Loc 5 fit system Polycarbonate shell 24 Wind Tunnel vents, Internal channeling

...

The Aether™ MIPS by Giro combines airy, open design with a revolution in rotational energy management to advance head protection for cyclists. Inside the Aether, a dual-density EPS foam liner helps to manage a wide range of impact energies, while also boasting deep internal channeling to provide cooling airflow. Giro's proprietary MIPS (Multi-directional Impact Protection System) Spherical technology is embedded between the layers of EPS foam – instead of against the rider’s head – giving riders the benefits of MIPS without any obstruction to comfort or cooling power. Outside, a sleek 6-piece shell forms a stunning silhouette around the massive vents, which get added structural reinforcement via a shatter-proof “halo” that runs throughout the helmet. The final touch is the Roc Loc® Air fit system, featuring three dimensional fit tuning, that allows easy adjustment in seconds for the ultimate in comfort. ...