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Giro Synthe MIPS Radavist Helmet
Giro Synthe MIPS Radavist Helmet

Synthe MIPS Radavist Helmet

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It's time to get rad.

The debate between "aero" and comfort is over. The Giro Synthe MIPS Radavist Helmet has the most efficient aerodynamic profile of any of Giro's previous road helmets while also touting better cooling power than their lightest weight Aeon™. And now with MIPS Multi-directional Impact Protection System, the Synthe is safer ever before.

MIPS was developed by brain surgeons to reduce rotational forces on the brain upon impact during real-world cycling accidents. A patented slip plane inside the helmet allows the helmet to slide 10-15 mm upon impact. cradling your head to reduce the friction coefficient redirect the force of the impact, while still allowing unobstructed ventilation.

The Synthe's design is made possible thanks to a wind-tunnel aided design that uses integrated mesh panels to reduce drag and internal ventilation channels working in tandem with a Roc Lock® Air fit system that effectively suspends the helmet just over the skull to improve airflow.

The fit is micro-adjustable with a one-handed dial adjuster, and the X-static® padding keeps it plush and fresh. Among the 19 external vents, there is also a dedicated sunglass docking port to stow sunglasses when they're not in use, and featherweight webbing with a Slimline™ buckle help keep the weight of this helmet down to a claimed 270 g for a size Medium.

270 g. Available here in a The Radavist colorway.

Unisex sizing. Small: 20-21.75” head circumference just above ears. Medium: 21.75-23.25” Large: 23.25-24.75”. Ponytail compatible.

Head Circumference20"-21¾"21¾"-23¼"23¼"-24¾"