Are you extra foggy' Not after a heavy night on the town we can't help you there. We're talking about days when you take the lift up, go out the gate into the sidecountry, hike, and suddenly you're blind as a bat. Smith would like to end your foggy day blues once and for all with the IO X Elite Turbo Fan Goggle. the IO X combines Smith's 5X Anti fog inner lens with its new, military derived Elite Turbo Fan for the most powerful fog fighting in the universe. As far as we know, anyway. Add to all that fantasticness photochromic lenses that change with changing light conditions, Smith's quick release lens interchange system, two included lenses, a floating foam membrane to alleviate temple pressure, and Smith's Vaporator technology with Porex filter, and you could put the IO X in line next to the pyramids, the Hoover Dam, and those little plastic things on the ends of shoelaces as some of the great technological marvels in history.