Polarized Replacement Sunglasses Lenses for Oakley Flak 2.0 Xl with Uv Protection (Black) Made of premium quality, polarized and 100% UV protection Precision cut to fit with the original Oakley FLAK 2.0 XL frame extremely seamless Optional mirror coatings design, optimize light for specific environment and activities Reduces glare and Impact Resistant Suitable for cycling, running, driving and other out-door sports and activities