JT ProFlex Spectra Lens Thermal Prizm 2.0 SkyChange up your style with the JT Spectra Prizm 2. 0 Thermal Replacement lenses. The Sky lens is designed specifically for a diverse spectrum of contrast and use in multiple weather conditions. For the JT ProFlex, Flex 8 and other Spectra goggles ASTM UV A & UV B protection Dual pane construction to prevent fogging Reduced glare Color contrast and clarity For use in a variety of weather and playing conditions *Goggles Not Included*