AF79A BERTONI ITALIA EYEWEAR The Best Italian Brand is now available in the USA. Frame Color: Black Lens Color: Clear FM PRODUCT INFO Type of Lenses Anti-fog The anti-fog treatment ensured that your lenses never fog up thanks to the particular material used on the surface. POLYCARBORNATE 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