Dye I4 I5 Thermal Goggle Lens Dyetanium Faded Bronze SunriseThe Dyetanium Lenses for the i4 and i5 Goggles allow you to improve your vision on the field with adjusted tints and optimal coatings for a wide range of weather and light conditions. . Anti Fog Thermal Lens The i4 i5 features an industry first compound radius lens with thermal technology, giving the player the ultimate vertical horizontal peripheral vision. Dye thermal lenses provide the bench mark for anti fog performance. All Invision lenses