The Aegis series of eye shields comes with our patented PivLock Lens Interchange Technology. Pushing the levers upwards alleviates pressure on the lenses locking grooves, allowing you to slide the lens out with zero effort. No matter what situation you find yourself in, this method of lens changing will have the right lens tint in front of your face in seconds. The Aegis Eye shield offers maximized coverage and protection for high impact environments. Whether you are deployed, training for a mission, or shooting for sport, the Aegis is the piece of eye protection you want with you.