With its photochromic spherical double-lens and anti-fog and anti-scratch treatment, the FUNK OTG is designed for teenagers wearing glasses, for a safe ride in all weathers. Specifications:- Lens category: Cat. 3- Lens: Spherical double-lens- Protection: 100% UVA/UVB- Coating: Anti-fog and anti-scratch coating- Foam: Colored double density foam- OTG: Yes- Standard: CE EN 174:2001