Heatwave Performance XL Vise Sunglasses Frame: Firestorm Z87+

Designed with dual purpose in mind. Performance + safety with unparalleled functionality. Each pair meets or exceeds Z87+ standards right out the box with side shields in place.Our lens is injection molded from thick 2mm shatter-resistant polycarbonate that is built to withstand ANSI Z87 Mass Impact Standards.Quick detach side-shields provide lateral protection and allow the frame to meet ANSI Z87+ requirements.Each pair is boldly marked Z87+ on the frame, arm and lens.Disclaimer: Side shields must be in place to satisfy Z87+ requirements. Incorrect removal or installation of parts may void Z87 compliance. It is the wearers responsibility to make a visual inspection on glasses to ensure all parts are secure and that the glasses are in good condition before each use. Rubberized Hytrel® (TPC-ET thermoplastic elastomer) touchpoints on the nose & arms provide a comfortable, non-slip fit that you can wear seamlessly all day long.Low profile arms have been designed for performance acr