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Women's Giro Sonnet Bike Helmet

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  • Slim profile helmet offering incredible ventilation
  • Dial-in fit system allows easy one-hand adjustment
  • Lightweight design engineered for comfort and superior protection

Design with a slim profile and exceptional ventilation, the Sonnet  offers racers and recreational riders a versatile and incredibly comfortable helmet. Twenty-five oversized Wind Tunnel vents allow generous airflow on hot days. Roc Loc 5 Retention System provides optimal adjustability so you can dial in the perfect fit. Lightweight, in-mold polycarbonate shell with shock-absorbing EPS liner ensures maximum impact protection. SuperFit system uses the data and science of human scale factors to engineer a custom fitting helmet. Imported.  

Design with a slim profile and exceptional ventilation, the Sonnet  offers racers and recreational riders a versatile and incredibly comfortable helmet. Twenty-five oversized Wind Tunnel vents allow generous airflow on hot days. Roc Loc 5 Retention System provides optimal adjustability so you can dial in the perfect fit. Lightweight, in-mold polycarbonate shell with shock-absorbing EPS liner ensures maximum impact protection. SuperFit system uses the data and science of human scale factors to engineer a custom fitting helmet. Imported.  

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