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​​