A fabulously retro design that is very on-trend! Characteristic styling with a sophisticated matt grey finish. Features innovative lenses that filter around 40% of HEV (High Energy Visible) blue light emitted from all LED screens, such as computers, smartphones, tablets and games devices. These advanced lenses help to combat the discomfort of eye strain when using digital devices. Complete with sprung arm-hinges for extra comfort, and a matching Goodlookers carry pouch for safekeeping.