These shades are designed with the sportsman in mind! Fade-resistant finishes are tough enough to handle all kinds of weather and conditions. Calcutta has designed their rugged sunglasses to allow a wider field of vision while providing superior optics. Boca Sunglasses Features: 100% UV protection Corrosion resistant polarized lenses with extra lens coating to reduce mirror lens flaking 1.0mm Triacetate (TAC) polarized lenses Fade-resistant frame Integrated hinge will stand up to repeated use Authentic Calcutta logo 1 year limited warranty