Golden Carthage Hotel Tunis, Gammarth (updated prices 2026) Bormio 8168 Black. With an ultra light construction and a sporty design, BORMIO will make the most of your outdoor adventures. The Strongest Photochromic Polarized sun lenses. Photochromic lens perfectly adapting to only let the necessary light reach your eyes. Ideal for everyday use. Bio sourced Shape memory material for a long lasting frame with a lower environmental impact.. The simplest hinge for ease of use. Lens Technology : Saturn Polarized Photochromic Spectral Control. Lens VLT : 31% to 13%. Lens Color : 555nm. Frame Material : Eco Nylon. Hinge : Classic Hinges