Oakley Flak 2.0 XL Photochromic Clear Lens Men's Sunglasses OO9188-16. The XL edition offers a standard size frame with enhanced lens coverage, and every millimeter of the peripheral view is optimized with High Definition OpticsT in a durable yet lightweight design that takes performance to the next level and brings style along for the ride. CLEAR TO BLACK IRIDIUM PHOTOCHROMIC Light Transmission: 23% Light Transmission (Activated): 23% Light Conditions: Changing Conditions Contrast: Neutral Base Lens Color: Clear Information notice: 0. Clear to Black Iridium Photochromic. At watcheshalfprice, we are committed to providing our customers with the best possible on-line shopping experience.This includes a commitment to excellent customer service, even after your order has been delivered. Feel free to send us a message and our trained support staff will be happy to help you. You may also be interested in.. This item is in the category "Clothing, Shoes & Accessories\Men\Men's Accessories\Sunglasses & Sunglasses Accessories\Sunglasses". The seller is "watcheshalfprice" and is located in this country: US. This item can be shipped to United States, Canada, Mexico.