These are just the stylish sporty bifocal sun glasses you've been looking for. This black half frame design features arms with three holes for airflow and blue nonslip rubberized temples and nose pad. Lightly tinted smoke non-corrective polycarbonate lenses with 2.50 bifocals allow you to see things at a distance and read the fine print. The bifocal sun reader lenses allow you to read your GPS, maps, books, menus or tie a fly without switching your glasses. They provide 100 percent UV400 protection. Measures 46 mm tall, 140 mm wide and 157 mm long. Bridge 15 mm.