Oakley Flak Jacket XLJ Sunglasses & Carekit Bundle Composite frame glass lens polarized Lens width: One Size millimeters Bundle includes HDO Sport cleaning kit. Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with traditional polarized lenses. XLJ lenses extend coverage for larger faces and for those who prefer an expanded field of view. Unobtanium earsocks and nosepads keep glasses in place, increasing grip despite perspiration Uncompromised Impact Protection to protect you against high-velocity and high-mass impact O-Matter stress-resistant frame material is both lightweight and durable for all-day comfort and protection