The revolutionary eyewear that is the Oakley OO9181 Radarlock Path Sunglasses boasts the ultimate in sports performance style, letting athletes take full advantage of Oakleys wide array of performance lenses. Switchlock™ technology allows you to alternate between the two sets of lenses supplied with this frame allowing you to wear the lenses you need for the light conditions you are in at the time. The Three-Point Fit of this frame doesn’t hook your ears, it just holds it comfortably in place while keeping the lens in precise optical alignment. The Oakley OO9181 23 Matte Black Ink/Red Polarized Vented, Oakley OO9181 19 Polished Black/Black Iridium, 23 Matte Black Ink/Red Polarized Vented, 40 Polished White/Prism Road, 35 Polished White/Jade Iridium Vtd/G40 Vtd is available in a wide variety of 11 colours and frame size 0138.