Leupold Sentinel Polarized Safety Glasses - Matte Black/Shadow Gray Flash - Your sight is worth protecting. The Sentinel performance eyewear meets MIL-PRF-32432A impact standards and guards your eyes with a swappable shatterproof lens. If you’re a competitive shooter or defender of the peace, the Sentinel is vital to your kit. Features Daylight Max Diamond Coat No-slip Bridge Lifetime Guarantee In-fused Polarization Guard-ion Shatterproof Lens