YOU & HAYWORTH MAKE THE PERFECT PAIR. The Serengeti HAYWORTH stylish women’s sunglasses are handcrafted with eco-friendly acetate for a look that's as fashionable as it is environmentally conscious. HAYWORTH glam sunglasses feature Serengeti mineral lenses, a metal eye-rim, chamfered edges and 5 barrel hinges. If you’re in search of square glamorous frame sunglasses for summer, the HAYWORTH is your ultimate accessory. The Purest Photochromic Polarized sun lenses. Photochromic lens perfectly adapting to only let the necessary light reach your eyes. Ideal for driving and every day use. Bio sourced adaptable and noble material to perfectly adapt the fit to your face.. The most elegant and robust hinge of the Serengeti Collection. Lens Technology : Mineral Polarized Photochromic Spectral Control. Lens VLT : 19% to 11%. Lens Color : Drivers. Frame Material : Bio-acetate. Hinge : Serengeti Signature 5 Barrel Hinges