1. Material: Triacetate Cellulose, 1.5 mm thickness,as thick as factory's;
2. Polarized, offer 100% UV protection, blocking 100% of all harmful UVA, UVB, UVC light waves (up to 400nm);
3. Reduces Glare and Enhances Contrast to offer good vision;
4. Reduce eyestrain and protect your eyes from harm;
5. Impact Resistant - Passed Drop Ball Test and Z87.1 Test;
6. Water,sweat,oil and dust resistant;
7. 5%-15% Light Transmission and other people cannot see the wearer's eyes;
8. Precision cut to fit oakley Sutro S frame perfectly, just as good as factory's;
9. A free softcloth will come with the lenses.