Dielectric safety glasses with metal free hinges featuring a tough and modern design with dual material on the side arms Wide elastic band ensuring an improved fit and makes it easily combined with hard hats and ear defenders Removable EVA foam gasket provides extra comfort and offers additional protection against shocks and dust Materials Nylon, EVA Foam Standards EN 166 1 FT EN 170 2C-1.2 (clear) EN 172 5-3.1 (smoke) ANSI/ISEA Z87.1 .1 (CLEAR) ANSI/ISEA Z87.1 .1 U6 L3 (SMOKE)