The Oakley® Sylas - a classic frame with reliable features and upgraded benefits for all-day wear. Its hat compatible design and lightweight frame offer a comfortable fit, while Prizm™ Lens Technology enhances color, contrast, and detail for any activity. The three-point fit ensures precise optical alignment, and the O Matter™ frame material provides durability. Athletes of all levels with RX needs can also get Oakley Authentic Prescription lenses.