Hydrophobic coatings use nano-technology to fill in the tiniest surface imperfections in the glass. This process leaves the glass surface so slick, even the smallest water vapor droplets are unable to attach. 

Provides most of the benefits of RayBlocker-HD but still allows your instructor, or buddy to see your eyes.

The yellow tint softens the light and reduces eye strain.

Reduces harmful UV rays and glare.