This replacement lens fits the SI Ballistic M Frame 3.0. It does not fit the Industrial M Frame, the standard M Frame or the M Frame Alpha. The Oakley SI Ballistic M Frame 3.0 Replacement Lens offers maximum protection by meeting or exceeding the ballistic standards of MIL-PRF-31013 and the impact requirements of ANSI Z87.1-2003/2010 while the Plutonite®, HDO® lenses grant visual clarity at all angles and under any condition. - Meets or exceeds high mass and high velocity impact requirements per ANSI Z87.1-2003/2010. - Meets or exceeds ballistic fragmentation impact standards per MIL PRF-31013, Clause 3.5.1.1. - Plutonite® lenses are high purity optical-grade polycarbonate that filter 100% of all UVA, UVB, UVC and harmful blue light up to 400nm. - Oakley High Definition Optics® with Polaric Ellipsoid™ geometry meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity and impact resistance. - Prizm™ lens technology strategically blocks wavelengths along the color spectrum to maximize color contrast, adding to depth perception and reducing eye fatigue. - Developed specifically for shooting, TR45 lens enhances both targets and terrain and is ideal for bright light conditions. - ARGO lens cut increases peripheral coverage. - All Oakley lenses feature an anti-fog coating. - Secure fit, even in wet conditions via hydrophilic Unobtainium nose pad.