THE REDEFINITION OF EYEWEAR TECHNOLOGY: Literally sculpted by the wind, the Tralyx™ redefines the pinnacle of eyewear technology. With its entirely new geometry package, unique and powerful dynamic design language. Vents have been scientifically incorporated through the entire chassis to enhance air circulation while ensuring maximum aerodynamic efficiency and without disturbing vision.LENS LIGHT TRANSMITION:Multilaser Ice: 10.6 Percent Light TransmissionSmoke Black: 20 Percent Light TransmissionMultilaser Blue: 22 Percent Light TransmissionMultilaser Orange: 22 Percent Light TransmissionTransparent: 92 Percent Light TransmissionImpactX-2 Photochromic Clear to Black: 9 – 74 Percent Light TransmissionImpactX Photochromic Golf: 13 – 38 Percent Light TransmissionImpactX-2 Photochromic Clear to Laser Black: 13 – 62 Percent Light TransmissionPolar 3FX Grey: 10 Percent Light TransmissionImpactX-2 Photochromic Clear to Laser Red: 16 – 75 Percent Light TransmissionImpactX-2 Photochromic Clear to Red: 17 – 76 Percent Light TransmissionImpactX-2 Photochromic Clear to Laser Brown: 17-73 Percent Light Transmission