2014 Sochi Olympics. The jerseys were kept as a sort of a "surprise."
http://www.icethetics.co/blog/2014/2/16/team-usa-surprises-in-sochi-with-1960-throwback-jersey
Obviously JLA will be shipping those arena ushers to Minneapolis just in time for the opening face-off today. Looks like they did a great job of making sure no one "upgraded" their seats yesterday.
Never imagined back in my day that I'd be watching North Dakota during March Madness. No matter how this ends - and it's not looking good - this is still pretty cool to see.