Oakley Ojector OO9018-0555 Matte Brown Tortoise / Prizm Tungsten Polarised An extension of the Ahyris family of eyewear styles which feature a unique design element on the frame, the universally flattering silhouette of Ojector sets it apart. The lightweight O-Matter frame, designed with three-point fit, helps provide all-day comfort. Classic, universally flattering silhouette Strong yet light O-Matter frame provides durability and all-day comfort Available with Prizm Lens Technology designed to enhance colour and contrast so you can see more detail Available with Oakley Authentic Prescription lenses that come laser etched with the ellipse logo on left wearing lens for proof of Oakley authenticity and quality 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.