Lens material: the polarized lens is the world recognized the most suitable for driving the lens. The opposite of glare effect: enhance brightness and weaken color saturation, making object contour become blurred and eyes fatigue, discomfort. Polaroid is made according to the principle of polarization of light, effectively eliminate the glare of the special function, improve the drivers' vision, add a fun ride, and polarized lens according to the principle of polarization light volatility and shutters principle of design and manufacture, can effectively reduce glare, eliminate the dazzling reflected light and scattered light, let the messy light into parallel light, make the vision softer and clearer. Polaroid has 7 composite layer material, conforms to the national sun lenses standard; UV400 ultraviolet ray provides all-around eye protection. Especially suitable for outdoor sports, including driving, fishing, climb mountains, leisure. The polarized lenses we adopted are all high quality polarized lenses, good quality; Polarization test piece is used to test the polarization effect