� anti-scratch and anti-fog coating which have an ultra-sporty lightweight design with ultra-flexible co-injected and customisable temples Non-slip and adjustable bridge Optical class 1 polycarbonate lenses in a variety of lens options BOLRUSHPPSI Clear lens EN170-UV 2C-12EN1661FT BOLRUSHPSF Smoke lens EN712 Solar 5-31EN1661FT BOLRUSHPTWI Twilight lens EN172 Solar 5-2EN1661FT BOLRUSHPCSP CSP lens EN172 Solar 5-14EN1661FT