Your sight is worth protecting. The Sentinel performance eyewear meets MIL-PRF-32432A impact standards and guards your eyes with a swappable shatterproof lens. Comes with a secondary clear lens and has an adjustable No-Slip Bridge that'll stay put during even the roughest encounters. If you're a competitive shooter or defender of the peace the Sentinel is vital to your kit. The Laser-Safe lens was designed to protect the eyes of law enforcement and military personnel from harmful laser radiation. It blocks out the most common blue and green wavelengths as well as the infrared wavelengths widely used in combat.