Product description: 

1> Comply to CE EN166 and ANSI Z87.1

2> Polycarbonate lens and Nylon frame 

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

4> More widely lens, convenient to observe 

5> Any color is available

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