The Cloak Ballistic Sunglasses meets MIL-PRF 32432A Class 1 & ANSI Z87.1 Safety Standard . Independent testing lab fired 0.15 caliber T37 shaped projectile at 700-725ft./sec. Cloak Ballistic Smoke-Colored lenses and frame passed the impact test, providing a high level of safety. The high-grade polarized lenses allows you still see your screens while protecting your eyes from the sun's glare and UV rays. Our lens are treated with FogGuard Pro™ , a proprietary lens coating to reduce and prevent lens fogging during steamy range days. Cloak comes with removable sweat-resistant foam seal for extra protection.