Cebe Sunglasses Cinetik 2.0 (Matte Black Grey Zone Vario Grey Cat.0-3 Blue)Cébé CINETIK 2.0 are the best sunglasses for sports and adventure. Combining crisp lines and bold colors, the CINETIK 2.0 sports sunglasses with optional photochromic lenses are as stylish as they are performance-driven. Comes with replacement lenses and is compatible with RX optical clip. Enjoy optimal vision and clarity so that you can play longer and harder.Photochromic lenses function by darkening or lightening depending on the amount of ultraviolet rays coming from the sun. With our photochromic lenses Zone Vario, available in category 0 to 3 and 2 to 4, that adapt to the weather variations in less than 20 seconds (recorded at 23oC), Cébé offers a real solution in providing premium vision and comfort under diverse lighting conditions.ReferenceCBS087FitLargeWeight166gProduct MaterialNylon RubberFrame ColourBlack Grey MatteColourblack-grey-matte_zone-vario-grey-cat.0-to-3-blueLens NameZone Vario Grey Cat.0 to 3 BlueTechnologiesAdjustable Nose Pads / Anti-Scratch Coating / Interchangeable Lenses / Optical Clip Compatible / PC Vario - Photochromic / Rubber On Nose Piece / Rubber On Temple Tips / Ventilated Frame