MVN Sample Pack is an animation pack that gives Unity developers access to free MVN motion capture data. The pack contains a variaty of motions which can be used to create simple games.
Xsens MVN is the hardware with which these samples are created.
In addition to the sample pack, Xsens offers a live animation plug-in for the MVN System. For a free version of MVN Studio and some motion examples go to MVN Studio Demo Request.
More info and video could be found here.