Dye i4 & i5 Thermal LensUpgrade Your Vision with Dye I4 I5 DYEtanium Thermal Lenses Step onto the field with crystal clear vision and a competitive edge. The Dye I4 I5 Thermal Mask Lens is engineered with cutting edge DYEtanium coating technology to enhance clarity, reduce glare, and sharpen contrast in any playing condition. Some feature the Dyes newest 2D lens coating process, these performance lenses deliver a stunning visual contrast that not only looks incredible but