XXX is our extra overstable control driver. XXX is sincerely a disc for the "big guns" and not for children. As already said it´s overstable, it´s a headwind driver, it´s a hurricane season driver, it´s a disc you will love to have when you need to bomb over something, it´s a disc you can rely on in any condition, it will do it´s job every day! XXX is made in our well received OPTO line plastic. Do you have the power to shine with an X-rated disc? If so, good for you!