10 cal/cm2 ATPV rating when used with the included chin cup HRC 2 Shell Material Polyethylene Ratchet Suspension 7.5 #34; x 20 #34; viewing area Extra light tint .06 #34; thick Absorbs gt;99.9% of harmful UV radiation Resistant to fogging Meets current ANSI Z87.1 Tested to ASTM F2178 specifications