Standar :
1. ANSI Z87.1
2. CE EN-166
Fitur :
1. Can be replaceable lenses
2. Pantoscopic temples or FR fabric strap choose
3. Soft, foam fills gap between face and lens
4. Pantoscopic lens angle adjustments
5. Flame retardant EVA closed cell foam
6. Deep foam ventilation channels on top and bottom
7. Flame retardant foam on frame and elastic strap