The decisive character of Carrera is expressed in these sunglasses. The navigator front, one of the brand%u2019s most classic shapes, is in metal with injected polyamide and a double bridge trimmed by the %u2018C%u2019 logo. The metal temples feature an embossed Carrera logo, and are completed by long end tips in acetate. Flexible hinges and the ability to fit these these glasses with prescription lenses offer true freedom of use. Some versions come with polarized sun lenses.