Original Kartell KL500S eyeglasses. Unisex, rectangular model from the Main Collection. The frame is made of acetate. All eyeglasses are original and guaranteed. Kartell is preparing to see the world with new eyes. Or rather, with designer eyewear that embodies all the tradition, history, innovation, and stylistic signature of the renowned brand. The brand has, in fact, decided to dive headfirst into the world of fashion by launching Kartell Eyewear, its first line of sunglasses and eyeglasses.