1. Brow and sideshields coverage design for protectionagainst granule and sandstone from the upside and sides
2. Four fore-and-aft adjustable positions for individualface
3. Five up and down adjustable temple
4. Big lens design extend protection to cheekbone,moresafety
5. With rope hole in glasses leg, agile and convenience
6. Ground leg??????skidproof and modern

7. Scratch and impact resistant Polycarbonate Lenses
8. Black , Navy Blue and Red, different color choice forframe
9. Special mercury layer protect against ultra violet andother hazard rays(choice)
10. Anti-Fog coated lenses for chemical & medicalpurposes
11. Different color lense for different purposes
a) Grey     :   Outdoor .Blockover UVA&UVB
b) Clear     :  General purposes
c) Yellow    :  Night driving and pilot.Llight sight
d) Red      :  Special UVmixed.Anti-Laser rays
e) Orange   :   Soft sight. Filtrateelectric wavelength and infrared ray
f) Mercury layer: Protect against giddy light , intensitylight and astigmatism Strongly
12. Conform with EN 166 and ANSI Z87.1.