SMITH Lowdown Xl 2 Matte Black Chromopop Polarised Blue MirrorIf you like the classic looks of our Lowdown 2 sunglasses and your face is on the large side, then this XL version is for you. The bio based frames have soft rubber nose pads, so they don't slide down when you break a sweat. They come with your choice of crystal clear Carbonic lenses or Smith's color boosting ChromaPop. ChromaPop lenses enhance contrast and natural color to make the details pop Carbonic lenses offer impact resistance and clear optics