Extra Lens Oakley Fall Line goggles. Prizm Sapphire Iridium is the popular all-round lens from Oakley. With Prizm technology that highlights the colors and contrasts that works lens so well in almost any weather that you practically never have to change lens. Perfect for those who just want to pack your goggles into the backpack and go skiing or snowboarding. Iridium coating minimizes reflections from snow and ice. The lens mirror lens effect so that your eyes can not be seen through.