Giro Aether Spherical Bicycle Helmets

From its sculpted, six-piece shell to its cutting-edge Spherical Technology powered by Mips®, the Aether Spherical sets a new standard in road cycling helmet design. It’s engineered to manage impact forces intelligently, deliver exceptional ventilation, and provide a personalized fit—making it a top choice for performance-focused cyclists.

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Key Benefits

• Spherical Technology powered by Mips®: Impact energy is redirected between two EPS liners, improving protection without compromising comfort or airflow

• Dual-density EPS foam liner: Optimized for a wide range of impact energies

• 21 Wind Tunnel™ vents with deep internal channeling: Keeps you cool even on long climbs and hot days

• AURA™ reinforcing arch: Adds structural integrity without extra weight

• Roc Loc® 5+ Air fit system: 3-way tuning for precise, stable, and easy adjustment

• Ionic+™ antimicrobial padding: Helps control moisture and odor

• Eyeglass grippers: Securely hold your eyewear in place during rides

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Technical Details

• Construction: In-Mold polycarbonate shell with dual independent EPS liners

• Ventilation: 21 Wind Tunnel vents + deep internal channels

• Weight:

  • 280g (Size M – CPSC)

  • 260g (Size M – CE)

• Certifications:

  • US: CPSC Bicycle Helmet Standard (Age 5+)

  • EU: CE EN1078 compliant

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Ideal For:

• Road cycling

• Long-distance and endurance rides

• Performance-focused training

• Riders seeking top-tier protection and airflow

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Ready to Ride at the Highest Level

If you're looking for a helmet that offers unmatched innovation, premium fit, and pro-level performance, the Aether Spherical is your perfect match.