Plastic nose pads and temple tips ensure a comfy fit that suits your face shape, so you can enjoy wearing these characterful frames all day long..Ray-Ban RB3447V ROUND METAL OPTICS Gunmetal, Size: M Ray-Ban goes geek-chic with the RX3447V glasses, which feature round metal frames, skinny lines, and careful retro touches to create a simple yet statement-making silhouette.