These shades have a classic look but offer modern technology. Polarized Maui Pure? lenses block glare and harmful UV rays and enhance color. Maui Jim's distortion-free lenses provide crisp optics, amazing scratch resistance and are thinner and lighter than standard glass. 52mm lens width; 20mm bridge width; 143mm temple length 100% UV protection Maui Pure? glass lenses with glare-reducing Polarized Plus2? technology Nylon Made in Japan