Oakley Sliver XL Sunglasses NA Made in USA Composite frame glass lens non-polarized Lens width: One Size millimeters Oakley Sliver XL sunglasses. Men's premium sunglasses. The classic Oakley Sliver silhouette with an upgraded larger design for additional coverage. Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with traditional polarized lenses. Plutonite&reg; Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm.