CK24506S. Frame material: plant based resin. Caliber: 49 mm. Lens material: Tritan Renew. UV protection: UVA / UVB. Avio colourway: lens colour Solid Blue, sun filter category 3, high level of glare reduction and high level of UV protection. Black colourway: lens colour Solid Khaki, sun filter category 3, high level of glare reduction and high level of UV protection. Sunglasses come with a protective carrying case. Colour: black