Oakley SI Flak 2.0 XL Blackside Sunglasses Matte Black with Prizm Black Polarized Lenses ONOS Petit Bois Noise Reduction Rating of 28

Noise Reduction Rating of 28 dB as tested to ANSI S3

OD 3+ >1650–1775

To help maintain the High Definition Optics (HDO) of Oakley lenses

Flame resistant—important for potential arc flash situations and for storage considerations

OD 2+ @ 518-523 + 533-536nm

Oakley SI Flak 2.0 XL Blackside Sunglasses Matte Black with Prizm Black Polarized Lenses ONOS Petit Bois Noise Reduction Rating of 28The Flak 2. 0 XL has the same O Matter lightweight frame as the original Flak Jacket but with larger Plutonite lenses for extra coverage and protection. The 8. 75 lens curve keeps out the sun and wind while Oakley's High Definition Optics ensure a clear view without the distortion of typical curved lenses. The Unobtanium earsocks and nose pads provide a secure fit even in humid conditions. Features: Unobtainium Earsocks for a no slip grip, even in