RATTI's spectacle FRAMES have superior features of quality style functionality and warranty. Quality of the material fully finished by hand using materials expressly created for the manufacture of the frames. Always fashionable STYLE crated by expert designer.  FUNCTIONALITY, maximum comfort and perfect wear ability, deriving from the flexible arms of some of the celluloses acetate models and the pliant and integral hinges of the metal version.  WARRANTY of a specialize production RATTI Persol ITALY. The flexible temple are designed according to ergonomic principles so that the frames adapt perfectly to every face. The pressure tested elasticity of the nose bridge guarantees increased functionality and sturdiness. The careful attention to every detail of the finish is the result of creative design as well as sophisticated manufacturing techniques. Each model, along with all the possible measurements, has its own former representing the exact size of the grooved background lens or. in other words, the real dimensions of lens.