THE RATIO IS A NO-NONSENSE HELMET THAT BOASTS FEATURES FOUND ON PREMIUM HELMETS AT A MORE ACCESSIBLE PRICE.
Beneath the sleek silhouette, you'll find the adjustability of an In Form fit system and Thermostat Control adjustable venting. Meanwhile, the Ratio helmet is also fully compatibility with aftermarket audio systems by Outdoor Tech so you can listen to your favorite tunes on the mountain.
Giro Ratio Mips Helmet