Product description: 

1> Polycarbonate lens and Nylon frame

2> WITH TELESCOPIC ADJUSTING LEGS FOR OPTIMAL FIT TO FACE, FRAME LEGS COULD BE ADJUSTED UP AND DOWN

3> LENS COLOR AVAILABLE: TRANSPARENT, SMOKE, MERCURY, AMBER,ETC

4> Comply to CE EN166 and ANSI Z87.1

5> Can be made ANTI-FOG, ANTI-SCRATCH, ANTI-UV function