Few things elevate a look quicker than a perfect pair of shades. Of course, there are iconic styles, our favorites being the cat-eye and the aviator- but among the coolest of the cool sunglass labels is Persol. Founded in Italy in 1917, Persol evolved from an eyewear manufacturer for aviators into purveyors of some of the sleekest shades on the market. If they are cool enough for Greta Garbo and Steve McQueen, they are most definitely chic enough for us. We especially love the folding frame version below that can be easily tucked into our pockets.