Designed with the durability needed to perform in the workforce, the Oakley SI Ballistic M Frame 2.0  helps you take on the toughest jobs. These glasses are made with a lightweight, chemical and impact-resistant O Matter frame that has thin stems for compatibility with over-the-ear hearing protection and communication devices. Oakley's Plutonite lenses offer total protection from harmful UV rays, and are treated with an anti-fog coating for unmatched visual clarity. The lenses meet stringent ANSI standards for high-mass and high-velocity impact resistance, ensuring your safety in potentially dangerous environments. Complete with High Definition Optics and Polaric Ellipsoid geometry, these glasses keep you protected no matter how tough the job.