The Synthe is the pinnacle of Giro's road helmet design, combining the performance gains of aero efficiency and light weight with great cooling power to enhance rider comfort and efficiency. The compact form slips through the air with ease across multiple head angles, and offers even greater cooling power than the Aeon.
FEATURES:
- MIPS integrated to further protect against particular impacts.
- Featherweight webbing with Slimline™ buckle.
- Ponytail compatible.
- In-mold polycarbonate shell with EPS liner.
- Thermoformed SL Roll Cage™ reinforcement.
- Roc Loc® Air Fit System.
- 26 Wind Tunnel™ vents with internal channeling.
- Matt Black Flash colourway features hi-visibility reflective strips
Small: 51-55cm
Medium: 55-59cm
Large: 59-63cm















