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Designed for optimum performance
Toric Lens
Active Dual Zone Venting
Laminates: Titanal
and CZV – Control Zone Ventilation to manage your comfort
Giro Ratio Mens Helmet 2026 0196573168985 Designed for optimum performanceBeneath the sleek silhouette, you'll find the adjustability of an In Form fit system, Thermostat Control adjustable venting and compatibility with aftermarket audio systems. Hard Shell construction: EPS foam liner Compatible with aftermarket Giro audio systems by Outdoor Tech Fit System easy to dial in a custom fit in seconds, even with gloves on. Ergo friendly dial at the base of the helmet that provides up to 6cm of adjustment and enhanced stability
