Oakley Men's Sliver F Matte Black Ink w/ Black Iridium Sunglasses plastic frame plastic lens polarized Lens width: - Folding stems with piston spring loaded hinges for the ultimate sleek profile Center frame kept intact to preserve optical precision and alignment Skeletal construction inspired design UV protection of Plutonite lens material that filters out 100% of UVA / UVB / UVC & harmful blue light up to 400nm Casted Aluminum CaseMicrofiber Lens Cloth