Ray-Ban Unisex RB4125 Cats 5000 Pilot Sunglasses. The Cats 5000 is a fun fashionable shade which has reinterpreted the iconic Aviator using leightweight propionate and showcases the metal signature on the temples. Packed with original case, cloth and certificate of authenticity. Lens Colour: crystal brown gradientFrame Colour: Light HavanaEU Filter 3NLens Gradient: YesHinge Type: No FlexMirrored: NoPolarised: NoAviator SunglassesUsage: FashionNylon Shop At House Of Fraser