Oakley Sunglasses Flak 2.0 XL OO9188 73 Matte Black Prizm Black Cat Eye Oakley Sunglasses Clifden OO9440 09 Matte AM 0352S 001 57#HH Oakley Sunglasses Clifden OO9440 09 Matte Black Prizm Black Polarized are specifically engineered for mountaineering with the side shields and bridge blocker for extra protection The double bridge design and silicone nose pads ensure comfort for all day wear Oakley Sunglasses Flak 2 0 XL OO9188 73 Matte Black Prizm Black are taken from their Performance collection from Oakley with a standard size frame which features an enhanced lens coverage with a deeper lens on the semi rimless frame which is given even more grip than previous incarnations with the stems as well as the nose pads fully covered with unobtanium that grips more with perspiration