Oakley Standard Issue Flak 2.0 XXL, Matte Black Frame, Prizm Grey Lenses, Sunglasses The Oakley Standard Issue Flak 2.0 XXL is the extra large edition of the Flak 2.0, with the same lens proportions as the original in a frame built for extra large faces. Standard Issue is Oakley's line for military, law enforcement, first responders and the people who support them, and these frames carry the same lens technology Oakley builds into its core collection. The lens gives you enhanced coverage, and High Definition Optics run all the way into the periphery. Unobtainium nosepads and earsocks get tackier when wet, so the frame stays put when you sweat. Why Buy It XXL Flak 2.0 frame for extra large faces Prizm Grey lens with 17% light transmission High Definition Optics across the full lens Unobtainium nosepads and earsocks for a no-slip grip Lightweight O Matter frame material Works with Oakley Authentic Prescription Lenses About the Prizm Grey Lens Prizm Grey is part of Oakley's Prizm lens family, which is tuned to boost color and contrast so you pick out more detail. This lens lets about 17% of visible light through and sits on a grey base, which puts it in lens category 3 for bright light. Expect a crisp, natural-looking view on sunny days at the range, on the water, on the road or around town. Browse more Oakley sunglasses or the full lineup of sunglasses and outdoor eyewear at BattleHawk Armory. Specifications Brand: Oakley Model: Standard Issue Flak 2.0 XXL Product code: OO9488-1363 UPC: 888392692597 Frame color: Matte Black Lens: Prizm Grey Light transmission: 17% Base lens color: Grey Lens category: 3 (bright light) Size: M (132 mm), one size Lens width: 63.7 mm Bridge width: 10 mm Lens height: 42.3 mm Frame width: 131.6 mm Arm length: 131 mm Fit: Regular, high bridge fit Frequently Asked Questions Which version is this? Standard Issue Flak 2.0 XXL, product code OO9488-1363, with a matte black frame and Prizm Grey lenses. What are the measurements? The listed size is M (132 mm): 63.7 mm lens width, 10 mm bridge, 42.3 mm lens height, 131.6 mm frame width and 131 mm arms. How dark is the lens? Prizm Grey lets about 17% of light through, a category 3 lens for bright light. Order your Oakley Standard Issue Flak 2.0 XXL from BattleHawk Armory today.