Oakley SI Ballistic M Frame Alpha Sunglasses Terrain Tan

Oakley SI Ballistic M Frame Alpha Sunglasses Terrain Tan. The M Frame Alpha features comms friendly temple arms and a clip that securely holds the lens in place. Because the M Frame Alpha is designed for the world's most elite warriors it's fully compliant with ANSI Z87.1 and MIL-PRF-32432 requirements for high-mass and high-velocity impacts. The M Frame ALPHA is compatible with the SI Helo Gasket that offers additional protection by creating a seal that blocks high velocity air dust sand and de