The Oakley SI Ballistic M Frame 2.0 surpasses ANSI Z87.1 Industrial Standards for high-mass and high-velocity impact protection. The M Frame 2.0 additionally meets MIL SPEC MIL-PRF 31013. All lenses are made of pure Plutonite®, a proprietary material that offers the highest level of optical clarity available in eyewear. It also features a clip that holds the lens and frame together providing more secure support.

Features
Fully compliant with all ANSI Z87.1-2003 protection requirements
Fully compliant with MIL-PRF-31013 Vo Ballistics
Plutonite lens material blocks 100% of all UVA, UVB, UVC and harmful blue light
Full compatibility with PASGT, CVC, and MICH helmets
Full compatibility with helmet-mounted night vision devices
Distrortion-free optics via patented Polaric Ellipsoid lens geometry that minimizes refraction
Extended upper/lower/lateral viewing fields via Polaric Ellipsoid geometry
Maximized comfort of ultra-lightweight design (1.05oz total weight)
Secure fit, even under wet conditions via hydrophilic Unobtanium at all contact points
Convenience of easy lens replacement with no need for tools