Lightweight and comfortable, these shades for men by Oxigen are made of plastic and look fragile, but they are tough and able to stand up to active use. The frame is molded to fit your head and stay on during any activity. The lenses are rounded rectangles set in the frame in a semi-rimless style. The arms are straight with several design elements and rubberized earpieces for better grip. Buy these great shades in bulk for outstanding savings.