****IMPORTANT****PLEASE READ****IMPORTANT**** These lenses will only fit the Holbrook XL model. Please make sure part number OO9417 is printed on the inside of the frame. 2MM Taper Corrected Injected Molded Polycarbonate - (Compatible With Oakley Holbrook XL Sunglasses) Exceeds ANSI Z80.3, EN ISO 12312-1:2013, and AS/NZS 1067:2003(A1:2009) Standards & ANSI Z87.1 High Velocity & High Impact Standards 12% Light Transmission - Grey Lens Tint Ikon Lens Cleaner & Microfiber Cloth Is Included -QAULITY FIRST since day 1- IKON LENSES has been offering Ultra-Premium polarized replacement lenses for over 10 years. Designed, manufactured, and tested in the USA - IKON LENSES are second to none when it comes to performance and fitment for your Oakley Fuel Cell Sunglasses. Our polarized replacement lenses are made from the same injected molded polycarbonate as your original lenses, plus we incorporate the newest polarization and anti-glare features to protect your eyes and reduce eyestrain.