Oakley Sylas XL is a classic frame with reliable features. Feel secure in this new style, featuring an extra-large fit that goes above and beyond the standard, with upgraded features for all-day wear. These include a hat-compatible design, a lightweight frame, and Prizm Lens Technology. These sunglasses give you that functional, hard-wearing look wherever you may go. Backed by classic Oakley design and fashion expertise, this pair of sunglasses combines both style and functionality.