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Giro Ratio Giro Ratio
Giro Ratio Giro Ratio

Ratio

C$119.99

The Ratio™ MIPS® helmet has the perfect ratio of everything you need to accompany you on the mountain, from its Thermostat Control Adjustable Venting to its MIPS® technology to its laid-back style.

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Availability: In stock

Shell Type
Hard Shell construction produces great helmets at a great value. A rugged outer shell is molded and then attached to the EPS foam liner.
Sport
Snow
Ventilation Type
Thermostat Control™ adjustable venting allows you to custom-tune airflow instantly with a simple, low-profile control button on the outside of the helmet
Stack Vent™ Technology
Gender
Unisex
Fit System
The In Form™ Fit System makes it easy to dial in a custom fit in seconds - even with gloves on. An ergo-friendly dial at the base of the helmet provides up to 6cm of adjustment and enhanced stability.
Vertical Tuning

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