We designed Fast Jacket to be a weapon against any light conditions that threaten your visual performance. Now it's time to arm it. Lock and load your choice of accessory lenses. You have a wide array to choose from, and each set is engineered with High Definition Optics® (HDO®) to maximize vision with razor sharpness. We make all our lenses with pure Plutonite® to filter out 100% of all UV. Important Note: Use care when installing/removing accessory lenses. Scratched lenses can not be returned and are not covered under Oakley's warranty policy