Evebright Prescription Sports Polarized Cycling Sunglasses with 4 Interchangeable Lenses UV400 Polarizing Technology: Made of Polarizing layer, adhesive layer, ultraviolet absorbing layer etc., it's 11 bonded layer film, Thickness up to 1MM, Anti-UV400, 100% UV protection, blue and other harmful rays Specular reflection coating,Lens surface coating layer thickness of 18, but also provide complete UV protection to ensure that no deformation horizons Visual effects technology lens, the lens center to provide maximum optical refraction, visual effects ensure that the lens is not twisted, distorted, all lenses are laser test, vision and clear. Polarized Light Imaging Technology, Can absorb, filter, eliminating the diffuse radiation of light, so that the eyes are the perfect protection Easy to clean,Specially coated lens surface for easy cleaning. good for outdoor sports. Come with Myopia frame, myopia and non-myopia both can be used with