GIRO Ratio Snow Helmet 2018 Matt Black Xl 62.5-65cm

the ratio is a no nonsense helmet that boasts the features found on giro’s premium helmets, yet at a more accessible price. Beneath the sleek silhouette, you’ll find the adjustability of an in form fit system, thermostat control adjustable venting and compatibility with aftermarket audio systems by outdoor tech. The ratio is also available with mips—which can offer more protection in certain impacts by redirecting impact energy.construction:mips – multi-directional impact protection system (optional)hard shell constructionfit system:in form fit systemvertical tuningventilation:thermostat control adjustable ventingstack ventilationfeatures:compatible with aftermarket giro audio systems by outdoor techseamless compatibility with all giro gogglescompliance: ce en1077