Why They're CoolSmith goes Hollywood with a glitzy update of its lens swappers, the Sliders, without upstaging function. » The three poly lenses in this kit span the tint rainbow: rose-copper, yellow, sienna-brown. » With security enhanced by rubber stickies, and good protection from light, you can use these dudes in any scenario, including dates. » Smith cloaks sportiness in the chic ensemble of slender frames and squarish lenses.Hmmm . . .Will you use those extra lensesor just lose them?RX-ABLE?Sadly, no.