Which means you always get the optimum clarity of vision. Lens Selection Serengeti Drivers and Vermillion lenses are made from distortion-free, ground and polished optical glass. The silver is a permanent barrier to UV radiation. Anti-reflective coatings reduce back reflection that causes squinting and eye strain. Borosilicate compound glass is scratch-resistant.
Chemical tempering makes the lens impact-resistant.
Photochromic copper lenses with an anti-reflective coating on the reverse side to reduce back reflection. Available in selected styles in the Essentials collection. Engineered for Comfort and Durability Serengeti's precision engineering doesn't stop at the lenses. Lightweight, our frames are made for comfortable wear for hours on end. On metal frames, joints are miter-cut and then soldered for a precise fit and a seamless finish.