Underneath the sleek silhouette, you'll find the adjustability of an In Form fit system and adjustable ventilation via Thermostat Control. Meanwhile, the Ratio helmet is also fully compatible with Outdoor Tech's aftermarket audio systems so you can listen to your favorite songs on the mountain.
Sizes:
S 52-55.5cm
M 55.5-59cm
L 59-62.5cm
XL 62.5-65cm