Oakley gives you two ways to see the terrain better with the A Frame 2. 0 Goggle. First, Polaric Ellipsoid geometry extends the lens' peripherals so you can see more, and the F3 anti fog treatment is Oakley's longest lasting treatment to keep moisture at a minimum. Oakley also added a dual lens design with air ports for increased ventilation and better vision. Made out of Plutonite, the A Frame's lens filters out 100% of UV rays, and the Ballistic frame remains surprisingly flexible for how durable it is.