SAME GREAT DESIGN AS THE ORIGINAL STARLITE, WITH BUILT-IN BIFOCAL MAGNIFICATION. CLEAR OR GREY LENS / FRAME. DIOPTER STRENGTHS AVAILABLE IN 1.0, 1.5, 2.0, AND 2.5. INCREDIBLY LIGHT. DEEP, UNIVERSAL-FIT TEMPLES PROVIDE SIDE PROTECTION EQUAL TO THAT OF EYEWEAR WITH LARGE SIDE SHIELDS. INDEPENDENTLY TESTED AND CERTIFIED BY UNDERWRITERS LABORATORIES TO MEET ANSI Z87. 1+ STANDARD.