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Check out the new 2024 Giro Ratio Helmet at Aspen Ski and Board on Polaris Parkway in Northern Columbus!

Thermostat Control adjustable ventilation, an In Form fit system's adjustability, and compatibility with aftermarket audio systems by Outdoor Tech are all hidden beneath the svelte form. The Ratio is also available with Mips, which, by deflecting impact energy, may provide extra protection in some accidents.