Black metal SL 1 shield sunglasses from Saint Laurent Eyewear featuring grey tinted lenses, nose pads, logo-engraved arm, curved tips and shield frame. We know you'll look after them, but these glasses come with protection, just in case. Don't be short-sighted. All glasses from FARFETCH are sold as non-prescription frames. We know you'll look after them, but these glasses come with protection, just in case. Don't be short-sighted. All glasses from FARFETCH are sold as non-prescription frames.