Change is the only constant. Meet shifting light conditions and situations head on with Oakley’s Style Switch. The O Matter frames are lightweight and stress-resistant with clean lines optimized for medium-sized faces. And, thanks to the innovative Switchlock technology, changing lenses has never been easier. Polarized Plutonite lenses filter 100% of all harmful UV rays, meet the highest impact protection standards and feature Oakley's High Definition Optics which minimize distortion.