Very simply, OJ9013 Capacitor is the twin lens, Rx-able brother to Resistor. Carrying the same design theme and stem design, this high range Rx-able 8 ¾ B frame gives options to kids that need prescription in their sport sunnies, or a new contemporary version of a twin lens sport product. It features a semi-rim O Matter frame with optimized flex, with push-on Unobtainium earsocks and press fit Unobtainium nose-pads for a locked in place fit. Available with Prizm Lens Technology designed to enhance color and contrast to see more detail. Oakley sunglasses sold by authorized sellers like Amazon are eligible for all manufacturer warranties. Included is a microbag and cleaning cloth. Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.