Wiley X WX ALFA Matte Black Frame / Captivate Polarized Grey Lenses AC6ALF18With an ANSI Z87. 1+ safety rating and a sleek, lightweight frame that's as comfortable as it is flattering, the WX Alfa earns a solid A in an impressive trifecta of protection, clarity, and style. Frame Color Matte Black Lens Color CAPTIVATE Polarized Grey As part of our Active 6 lineup, the WX ALFA is built with a flatter 6 base lens that can accommodate a higher prescription range while offering the same ANSI+ protection and clarity of all Wiley X