No need to mull it over. Brick-solid on the sides so you can rock hard in the front. Comes with the SPY Happy Lens, the only color and contrast enhancing lens technology that maximizes the transmission of the sun's "good" rays—while still blocking out its "bad" rays—which studies suggest fosters an uplift in mood and alertness.
No need to mull it over. Brick-solid on the sides so you can rock hard in the front. Comes with the SPY Happy Lens, the only color and contrast enhancing lens technology that maximizes the transmission of the sun's "good" ra...
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