"I/O oh so Fly-O" - Review of Smith I/O Interchangeable Optics Spherical Series Goggles - Mirror Lens

I've been using Smith goggs since I was in diapers and this is my favorite one yet. They offer the biggest, most unobstructed field of vision I've seen along with the best style. I'm hard on my gear, and one of the things I had to learn was to keep my hands off the edges of the lens since its not as protected by the frame as in a conventional design. Easy lens change, hardly ever fog unless you mistreat them... I mean do I need to say more?
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