All JT Spectra Thermal Lenses are treated with a super scratch resistant silicone hard coat. JT's special silicone formula is three times stronger than the industry standard and offers more protection than any other lens on the market, in simple terms it's built to last.
These lenses are used in the JT Proshield, Proflex &Premise Goggle Systems as well as the Tippmann Tactical Airsoft Goggle
Approved ASTM standard for eye protection
Spectra 260° field of vision
Fits all JT Spectra Goggle Systems including Proflex, Flex-8 and Proshield