The translucent cloured frame is complemented by top of the range G-Tech UV400 polycarbonate shatterproof double lenses which are anti-fog and vented both top and bottom. The lens also benfits from an anti-scratch coating.These high-tech lenses have from 7 to 13 layers of titanium dioxide and silica applied onto shatterproof polycarbonate. Cleaning them is easy and they are scratch resistant. Plus. you'll receive total ultraviolet protection while enjoying enhanced contrast with minimal glare!A FREE Micro-Fibre Storage/Cleaning bag is included and to top it all off they come in a clear presentation box.