Oakley Thinlink Asian Polarized Sunglasses,Matte Brown Tortoise/Torch Iridium composite frame composite lens polarized Lens width: 63 millimeters Arm: 136 millimeters Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and basic impact standards UV protection of Plutonite lens material that filters out 100% of UVA / UVB / UVC & harmful blue light up to 400 nm Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment Durability and all-day comfort of lightweight, stress-resistant O Matter frame material