Fossil sunglasses are known for their combination of authentic vintage classic and modern design, as well as top quality. The collection of Fossil sunglasses are timeless, stylish and chic, with a strong attention to detail. The women's sunglasses Fossil FOS2104/G/S CTL 9O 51 are popular with everyone. Sunglasses frame The blue colour of the frame perfectly matches a cool skin tone and light brown, black or light 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 a combination of metal and plastic. It offers high durability, stability and extraordinary sty­le. 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 grey lenses reduce the intensity of the light without affecting the contrast or distorting the colours. The lenses are made of plastic, whose undeniable advantages are the light weight and crack resistance. 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. Looking for more in-depth information? Take a look at this comprehensive sunglasses guide. Here we explain you how to choose the proper sunglasses based on your face shape, how to measure your face shape and even more.