The XL edition offers a standard size frame with enhanced lens coverage, and every millimeter of the peripheral view is optimized with High Definition Optics™ in a durable yet lightweight design that takes performance to the next level and brings style along for the ride.• Lightweight O Matter™ frame material with ellipse metal icon accents• Unobtainium™ earsocks and nosepads for increased comfort and performance• 8.75 base lens geometry with HDO™• Available with Prizm™ lenses to enhance color, contrast and detail for an optimized experience• Polarized and Iridium™ lens options available• Available with Oakley Authentic Prescription Lenses• Protective soft vault included