Octagonal RB3556 Sunglasses by Ray-Ban™. Shape: Irregular, Material: Metal, Frame Type: Full Rim. This model is available in two different color combinations and sizes. Ray-Ban I-Shape Eyewear Collection is designed for true connoisseurs of impeccable style and absolute comfort. The sunglasses presented here are distinguished by elegant contours and a wide variety of lens and frame shades. Gradient lenses look very intriguing, especially in geometric and irregular shapes. Models from this collection prove that classic simplicity is still in fashion and will perfectly fit into the image of a modern person. I-Shape Eyewear is the choice of elegant and sensible people who look after their appearance and take care of their health. The frames are made of durable and reliable materials that are safe for the eyes and skin of the face. They are hypoallergenic, non-toxic, and fully comply with international quality and purpose standards. Ray-Ban places great emphasis on safety vision. Sunglasses from this collection are no exception. They are equipped with reliable UV filters and anti-reflective coatings. Comfort in every detail of every accessory has been one of the main principles of the famous US brand since its founding in 1937.