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"  Remember when 3D glasses were just cardboard with red-and-blue lenses? Those days have been behind us since kids started walking out of Avatar still wearing their Wayfarer-style specs, and to school the next day. But no matter how cool those flimsy plastic ones looked the day after, they were still uni-taskers, not exactly meant to last. Calvin Klein stepped into the breach earlier this week with the introduction of its new line of sunglasses with patent-pending M3D lenses that are both 3D- and RealD- certified, and also provide 100-percent UV protection. The glasses, available in January, come in three styles \u2014 The Safari (pictured), the Havana (more like a Wayfarer), and one women&amp;#039;s style called the Glam \u2014 all of which feature a curved lens that improve both a moviegoer&amp;#039;s 3D experience and the look of the glasses. A novelty? Perhaps, but walking out of a theater in those disposable give-away glasses doesn&amp;#039;t look cool on grown-ups. Yet. PLUS: The Best New Winter Sunglasses and the 2010 Shades of the Year &amp;amp;gt;&amp;amp;gt; "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.esquire.com/style/a8957/calvin-klein-3d-sunglasses-111810/>