Debuting in the '50s and remaining a feature of the brand's collections over the years – regularly reinvented, without losing its authentic character – the Cellor model returns to its roots, and is available in sunglass and optical versions. From standard to polarized, the selection of crystal sun lenses represent quality and excellence, made from the most precious optical materials and used to guarantee the best protection and visual clarity. Acetate from​ cotton and powdery pigments blend to form​ variations that can only be found in Persol glasses, unique for each frame. Made by hand with the highest quality materials, all these glasses are a natural work of art.Persol’s founder Giuseppe Ratti recognised the need to make his products iconic, choosing the sword of ancient warriors as an inspiration for the Arrow symbol, the unquestioned emblem of the Brand. This Arrow is what makes every Persol unmatchable.Patented in the ‘30s, the Meflecto is the first flexible stem system designed for maximum comfort by eliminating pressure on the head from glasses. This system allows glasses to adapt to any face shape and still today represents a technologically unsurpassed solution.