On the road or the stage, the SunCloud Roadie polarized sunglasses cut the glare with these protective shades letting you perform at your peak. Polarized lenses reduce 99 of visible glare from water, snow, sand and pavement for increased visual acuity and decreased eye strain. Polycarbonate lenses are 20 times more impact resistant than glass and a third the weight theyre also acid- and heat-resistant. Grilamid lightweight nylon frames offer a consistent fit and flexibility at any temperature, and they are extremely impact resistant. Brown frames feature polarized brown lenses to eliminate glare and enhance contrast while maintaining accuracy of color transmissions. Black frames feature polarized gray lenses to eliminate glare and produce the truest transmission of natural colors. Large fit.