Oakley SI Ballistic M-Frame Alpha Replacement Lens (Grey)
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The Alpha lens was designed to maximize field of view and protection, without sacrifice to style and aesthetic. All replacement lenses meet MIL PRF 32432 Ballistic Impact Standard, and Optical Clarity of ANSI Z87.1.
- Fits SI M Frame™ Alpha and SI Halo™ High Definition Optics® (HDO®) for unbeatable clarity and performance
- Lens contours that extend peripheral vision and improve side protection
- Plutonite® lens material filters out 100% of all UVA/UVB/UVC & harmful blue light up to 400nm
- Unsurpassed impact protection
- Options include Iridium® lens coatings and polarization
- Compatible with SI Helo Kit