The Oakley Flak 2.0 XL is the next generation of Oakley’s bestselling Flak Jacket XLJ. Straight out of the box you get a hard protective case, a scratch proof Microbag, nose pads and the glasses themselves. The first impression from handling these glasses is how light they are - the frames are made from Oakley’s trademark O-Matter, a superlight and flexible plastic, with Unobtanium® (a rubber material to you and me). Earsocks and nosepads keep the glasses firmly in place even getting more grippy with perspiration. Unlike other sunglasses the temple arms stretch back in a straight line rather than hooking behind the ear this means that there are no uncomfortable bits of plastic digging into the backs of your ears. They feature spring loaded hinges that I both like and dislike, they snap close against the lens, an action that makes me cringe every time because I worry that it might damage the lens, which it won’t it is just me being over sensitive. This feature does make putting them on a breeze, you can pop them open with one hand which is great when out riding the bike. The temple arms also curve out slightly meaning they will fit comfortably over a hat - useful for those bright but chilly morning runs in spring and autumn. The minimalist frame means your vision is never disrupted by obtrusive plastic rims and the 59 mm wide and 38 mm high Black Iridium lens provide a wrap around effect giving you good peripheral cover. As you would expect from an Oakley the lenses deliver excellent optics and are interchangeable, for an extra £15 you can completely customise your glasses by choosing lens, frame, ear sock and icon colour. There is no ventilation system with the Flak XL but the shape of the glasses is enough to keep you fog free. As for our final thoughts, we tested these out whilst running, cycling and playing tennis and they performed brilliantly they are so comfortable I would forget I was even wearing them, great optics, great fit and an awesome design.

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Rating 4.9 out of 5

Pros

Customisable, available in Prizm, Trail, Prizm Road, Prizm Golf and Prizm Baseball

Comfortable

Unobtanium Earsocks and Nosepads, grips more with perspiration

Light weight and strong O-Matter frame

Comes with hard case and microfiber sleeve

Cons

High price tag