Forsake lets you see the world with Optimized peripheral view and side coverage of POLARIC ELLIPSOID? lens geometry. And in typical Oakley fashion, optical precision and impact resistance meet or exceed Z87.1 optical and basic impact standards. In Forsake, you always feel good about protecting your vision with UV PLUTONITE? lens material that filters out 100% of UVA / UVB / UVC and harmful blue light up to 400nm.When it comes to durability, it?s tough to beat Forsake. The O MATTER? frame is not only stress-resistant, but also incredibly comfortable, with a Three-Point Fit that holds lenses in precise optical alignment. Patented hydrophilic UNOBTAINIUM? earsocks and nose pads further ensure a snug, secure fit, so your glasses stay right where you want them.