Hexagonal RB3548 Sunglasses by Ray-Ban™. Shape: Irregular, Material: Metal, Frame Type: Full Rim. This model is available in twenty one different color combinations and sizes. Ray-Ban Evolve Eyewear Collection is another gift for stylish and modern people of the planet Earth. Elegant sunglasses are presented here in a wide variety of shades, shapes, and sizes. Models in this collection are equipped with photochromic lenses that react sensitively to the brightness of the light. Ray-Ban Evolve sunglasses provide unparalleled vision with relaxed eyes. This became possible due to the introduction of innovative technologies for the processing of special minerals, which are new materials in the production of high-quality and protected lenses. Frames for this collection are made of tubular metal and premium plastic polished to a silky soft finish. These durable and reliable materials are non-toxic, hypoallergenic, and completely safe for the eyes and face. Evolve is a new step towards the absolute comfort of wearing sunglasses, under any circumstances and in any weather. The Ray-Ban Evolve Eyewear Collection features the most popular classic frame shapes.