The Vasona MIPS helmet combines sleek, lightweight design with an integrated Multi-Directional Impact Protection System (MIPS) that can redirect energy and provide more protection in certain impacts, giving you the latest in head protection on the road or trail. Made in a comfortable, Universal Fit women's size with the 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. Impact Management: Integrated MIPS Reflective Accents In-Mold Construction Full Hardbody Shell Compact Shape Quick Link Removable Visor Fit System: Roc Loc Sport MIPS Weight: 9.9 oz / 280 g Certification: Complies with the US CPSC safety standard for bicycle helmet for persons age 5 and older; E.U.: CE EN1078