The Oakley SI Ballistic M Frame 3.0 Dark Bone 4 Lens Array delivers beyond the standard impact safety, offering high-velocity and high-mass protection, surpassing the ANSI Z87.1 and MIL-SPEC MIL-PRF 31013. Made from pure Plutonite for superior optical clarity, it protects your vision and eyes from damaging UV lights. The Persimmon and Grey lenses, with varying light transmittance rates, ensure optimal vision in varying light conditions. The eyewear features a lens-frame clip for added security and a Hydrophilic Unobtainium nose pad for a secure fit even in wet conditions. It's compatible with helmet-mounted night vision devices and military helmets, making it a tactical operator's choice.