Slighyly oversized for serious coverage, the SunCloud Cookie polarized sunglasses protect your eyes from the harmful rays of the sun. 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. Black frames feature polarized gray lenses to eliminate glare and produce the truest transmission of natural colors. Rose tortoise frames feature polarized rose lenses with a silver flash mirror coating to eliminate glare and provide an optically comfortable lens. Tortoise frames feature polarized brown lenses to eliminate glare and enhance contrast while maintaining accuracy of color transmissions. Medium fit.