The Giro Aether Spherical is a premium road cycling helmet designed for elite performance and top-tier protection. It features Giro’s unique Spherical Technology—a ball-and-socket system integrating MIPS—sandwiched between dual-density EPS foam layers. With a lightweight, in-mold polycarbonate shell, AURA reinforcement, and deep internal vent channels, it delivers exceptional airflow, fit, and impact management.
Key Features
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Spherical Technology + MIPS: Ball-and-socket rotational protection integrated between EPS layers
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Progressive Layering™ EPS: Dual-density foam absorbs impacts across speed ranges
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AURA Reinforcing Arch: Shatter-resistant structural integrity
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Deep Internal Ventilation: 21 wind-tunnel vents with internal channelling for cooling
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Roc Loc 5+ Air Fit System: Precise adjustment, height tuning, and enhanced airflow
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Eyewear Docking Ports: Rubber grips store sunglasses securely
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Nanobead™ EPS & Ionic+™ Liner: Lightweight foam with anti-microbial comfort
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Lightweight Construction: ~280 g (Medium, CPSC standard)
Specifications
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Sizes: S (51–55 cm), M (55–59 cm), L (59–63 cm)
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Weight: approx. 280 g (size M, CPSC); ~260 g (size M, CE)
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Construction: In-mold polycarbonate shell over dual-density EPS
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Safety Standards: CPSC 1203, CE EN1078
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Ventilation: 21 vents with deep internal channels
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Fit Adjustment: Roc Loc 5+ Air dial with tilt and circumference control
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Technology: MIPS Spherical, AURA arch, Progressive Layering, Nanobead EPS
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Extras: Eyewear docking ports, anti-microbial liner