Ray-Ban Top Bar 3183 Sunglasses are a part of the Ray-Ban Active family and the perfect choice for the outdoors or somebody with an on the go lifestyle. The semi-rimless design is modern and minimal for an understated, slick look and feature slim flexible arms for maximum comfort. The metal frame is super lightweight and the soft silicone nose pads are adjustable for a personalised fit. Ray-Ban's signature logo can be found on the lens in addition to the temple hinge.Filter Category 3: General purpose sunglasses. High protection against sunglare. Good UV protection. Not suitable for driving in twilight or at night. Sunglasses and Fashion Spectacles are: - Not for direct observation of the sun. Not for protection against artificial light sources, e.g. solaria. Not for use as eye protection against mechanical impact hazards.