Shaped with the curves of rounded lenses for a classic lifestyle look, the Stringer takes its name from the smooth center line that runs down surfboards, and the stems follow that pure approach with clean contours of sculpture. High Definition Optics(R) (HDO(R)) technologies allow them to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance. Oakley's Three Point Fit holds the lenses in precise optical alignment. Features: - Lightweight, stress-resistant O Matter(TM) frame material - Three-Point Fit holds lenses in precise optical alignment - Plutonite(R) lens material filters out 100% of UVA / UVB / UVC & harmful blue light up to 400 nm - Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and basic impact standards - Lens Width: 55 mm - Bridge Width: 16 mm - Lens Height: 43 mm - Temple Arm Length: 145 mm - Only available to ship within the USA