Smith Knowledge OTG Turbo Fan Ski Goggle has a micro-electronic fan to eliminate fog.  A high power mode is available for extreme conditions. (OTG = fits Over The Glasses) Also compatible with the Smith Ocular Docking System Rx insert. The Smith Knowledge OTG features Carbonic-X lens and provides exceptional clarity and scratch resistance. Smith Knowledge OTG also has an enlarged lens chamber that fits easily over most glasses. Large fit, Large volume.

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FREE Ski Goggle Travel Case with this model!
(A $30.00 Value!)