The inner portion of the arms of these nice shades for men by Locs have a cool texture that helps keep the sunglasses on your head in a comfortable way. The overall shape is rounded with a molding that is designed to fit your head. The frame is made of plastic, designed to be durable, yet lightweight, and able to stand up to rough use. The arms sport the Locs logo in raised silver letters. The lenses are dark rounded rectangles with an excellent protective finish.