With its classic angular shape and commanding lenses, Bose Frames Alto remixes the most iconic sunglass silhouette in history with Bose sound. From the patented acoustic chambers to the premium lenses, Bose Frames are designed for sun and sound. Explore the features to see how it all comes together. It’s a new way to listen. One that leaves you free to hear and interact with the world around you, all while discreetly listening to music. Choose the look that best fits you with the Bose Frames Lens Collection. Featuring a selection of limited-edition colors, these replacement lenses are easy to interchange for a look that’s all your own. Bose Frames Rondo are classic, yet distinct with rounded lenses and a one-size S/M fit.