Classically framed, reliable and lightweight sunglasses with Prizm Lens Technology, from Oakley Oakleys Sylas Sunglasses feature a classic, lightweight frame with Prizm Lens Technology, designed to enhance colour and contrast, allowing you to see more detail on your adventures.Constructed to be hat compatible, with a three-point fit, the Sylas shades are optimised for comfort and to hold your eyewear in precise optical alignment, letting you focus on the great outdoors with ease.