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. ✅ 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 ✅ 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 ✅ Ideal For: Road cycling Long-distance and endurance rides Performance-focused training Riders seeking top-tier protection and airflow ✅ 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. HOW TO MEASURE YOUR SIZE Wrap a measuring tape around your head, keeping the tape level from front to back. Note the measurement and reference the size guide below. ADULT SUPER FIT SIZE CIRCUMFERENCE S 51 – 55 cm M 55 – 59 cm L 59 – 63 cm
