Fit and feeling good.  The Vasona helmet combines sleek, airy design with smart features and lightweight construction to match your style on the road or trail. Made in a comfortable, Universal women's size with our adjustable Roc Loc. Sport fit system, the Vasona's fit can be custom-tuned with a simple turn of the dial to make fitting fast and hassle-free. And with a range of colors to suit almost any style, you can choose exactly how your on-bike style comes together. Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older