The combination of plastic and metal gives Brigida Metal an elegant retro flair. Polarized lenses made of TAC material eliminate glare, enhance colors and ensure a comfortable view. The lightweight construction fits all day and the bio-cellulose in the lenses will also delight the planet. Bio Polarized Lenses Free protective case and cleaning cloth Glare reduction - see more clearly and without glare Ideal for long-term wear without eye strain