Bolle Vortex RL Replacement Lenses - Pair B-Clear lenses enhance your ability to see what's coming at you, and who you've left behind Ultra-lightweight Trivex lens material Optics Control System is an interchangeable lens system that allows you to swap out the lenses for different lighting conditions Dual-sided hydrophobic/oleophobic coatings CarboGlas Coating gives an armor shell from scratches and abrasions