High-performance lenses for a clear view. The Holbrook™ by Oakley, a timeless classic, now comes in an XL version tailored for larger faces. Crafted from the incredibly durable and lightweight O Matter™ frame, the Holbrook XL boasts the exceptional performance of Prizm™ lenses, blending style and functionality seamlessly.PRIZM™Prizm™ is a revolution in lens optics built on intensive colour science research. Prizm ™ lenses maximize contrast and increase the visibility of objects.