Elevate your performance and style to 11. The Frequency seamlessly combines functionality with a bold, shield-shaped lens that offers optimal protection while running, cycling, and more. Flexible and secure temples, along with a lightweight frame, connect to a wide, cylindrical, hanging lens that is ventilated above the bridge. Get in sync with the beat – with the Frequency, your outdoor adventures are now even more fun and stylish. Looking for even more protection? Check out the Density. Flexible, shock-absorbing inserts on the nose bridge provide added comfort and support. Soft, rubberized temples offer comfort and a perfect grip. This frame is made from materials derived from castor beans. It is lighter, more durable, and more environmentally friendly than frames made from conventional plastic. Reactiv Photochromic lenses automatically adjust to UV light conditions. Reactiv technology enhances contrast and increases clarity, reducing eye fatigue during your adventures.