X v6.4.6 is a the Ultimate Responsive WordPress theme that includes multiple unique designs inside of one powerful WordPress theme and they refer to these designs as Stacks. This theme has currently four Stacks available in The X Theme. It's like buying one theme and constantly getting access to new designs all the time. They have created multiple unique demos for each Stack so be sure to check them all out. X theme was built upon the input of industry-leading experts. for more information about this WordPress theme please click on Demo Button.