The world-renowned Ray-ban brand is rightfully considered to be the top among sunglasses. The collection of Ray-ban guarantees high quality with timeless design and is available in many shapes and colours. The iconic Ray-ban sunglasses are also popular among celebrities which made them famous all around the world. The women's sunglasses Ray-Ban Square RB1971 9149AD 54 are popular with everyone. Sunglasses frame The silver colour of the frame perfectly matches a cool skin tone and red, grey, white or dark blonde hair. Square frames are an ideal choice for those with a round, oval or triangular face shape. The frame of the sunglasses is made of metal, which holds its shape well and offers high stability and a unique look. Adjustable nose pads allow for a gentle alteration of the position and fit of your sunglasses. The nose pads will adapt to the nose shape and thus provide higher comfort of wear. The nose pads adjustment should always be done by an experienced optician to prevent damage or breaking caused by unprofessional treatment. Sunglasses lens The blue lenses enhance the contrast and minimize light reflections. Tennis players will also appreciate them, as they emphasize the contrast of the yellow tennis ball and the white background. The lenses are made of high-quality mineral glass, the undeniable advantage of which is its exceptional resistance to scratches. Mineral glass is characterized by its excellent optical properties compared to other materials used for the production of sunglass lenses. The sunglasses feature photochromic lenses that adapt to the level of UV radiation. Depending on the UV exposure, the lenses automatically darken within seconds. As soon as the intensity of the UV radiation decreases, the lenses become brighter to clear again, depending on the specific model of sunglasses. UV protection is completely maintained during these transitions. In this way, the light-sensitive lenses offer excellent UV protection in different climatic conditions, at any time of the year. Learn more about photochromic technology in our Complete Guide To Photochromic Lenses. The shades have UV 400 protection, which provides 100% protection from sunlight. The lenses of the sunglasses feature a category 3 sun filter (light transmission 8 – 18% ). They are suitable for intense sun exposure on the beach or in the city. Accessories We deliver the sunglasses in their original case. The colour of the case and its design may vary. The cloth supplied is ideal for cleaning and caring for sunglasses. For more information, follow our blog where we keep you up to date on the latest technologies and trends.