Dye Snow CLK Snow Goggle Lens Dyetanium- Several different lens coatings are applied to the base tint to reduce glare and balance light transmission 4D Coating- Permanent Anti-Fog and Anti-Scratch coatings are applied to both sides of the lens to add performance and longevity Polarized- Great feature for people with light sensitivity, or those seeking a versatile sunny-storm lens option Lenses are injected rather than pressed which creates a perfectly even spread of material and ensures the highest optical clarity