ok if all of you want a solid reason straight from Oakley why your lenses keep fogging up, here it is:
Durring shipment of all their lenses to various parts of the world, being in a cargo airplanes depressuredized cargo bay, the air pressure at that altitude, somewhat broke the seal between the inner and outer lens.
Either warranty it at an authorized oakley dealer or if it is a Hi intensity blue or iridium lens then send it back...or in the meantime, dry out your lens fully and pinch all the way around the inner lens seal to try and reseal it. Thats the best temporary solution
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'Can we discuss this further in the privacy of my hot tub?' Mitts to some chick who shot him down outside garfs...