The Bolle CHICAGO men blue light protective glasses have a sophisticated and stylish design and protects your eyes from blue light. This glasses gradient black and crystal with gunmetal detailing frame comes with PrB lenses, absorbing 100 percent of harmful blue light at 420 nm and 82 percent of harmful blue light at 445 nm. The lens have an anti reflective coating as well. Hybrid metal and acetate frame
Polycarbonate lens for resistance and optical clarity
Square men style
Embedded ProBlu 420 technology and Anti reflective coating available
Weight is 28 g