Serengeti Carini sunglasses, part of the Classics series, have a quiet, understated beauty that fit perfectly in any situation. Scratch/impact-resistant lenses that guarantee optical clarity, 100% UV protection. The Spectral Control® Lens System reduces glare. All Serengeti sunglasses are designed with Photochromic lens technology making each lens adjust to light changes in the environment. Unparalleled technology with unpretentious style. .