Model: D161 Bertoni Sunglases of Italy finally in the USA! The best Italian brand at the best prices. Frame Color: Black Lens Color: Orange Mirror D161 FEATURES: Mount Material Aluminium enriched with magnesium is used to obtain an even lighter and softer frame with respect to traditional all aluminium frames. It has specific mechanical properties and it is corrosion resistant against all atmospheric agents and salt water. POLYCARBURATE MATERIAL Lenses Material It's the most used type of lens for sportwear becouse it has a hight protection against impact, 20 times stronger than crystal but weighs a third. For more info visit: http://www.bertonieyewear.com