Whether you are out on the trails or flying across tarmac the mission sets a new benchmark for eyewear in its class optics by carl zeiss vision means you are getting the highest standard in optical clarity and uv protection the durable polycarbonate lenses are both impact and scratch resistant all three lenses feature carl zeiss vision ri pel technology reducing the effects of dirt water and sweat thanks to its hydrophobic vacuum coating both the clear and amber lenses feature anti f