Oakley SI Ballistic M Frame 3.0 Array Clear & Gray, Black Frame Composite frame Composite lens non-polarized Lens width: na Thin stem frame technology enables compatibility with over-ear hearing protection and communication Impact and chemical resistant O Matter frame material All lenses feature an advanced anti-fog coating All optional lenses are made of Plutonite, Oakleys high purity optical-grade polycarbonate NewARGO lens cut increased peripheral coverage