(NEXSTAR) – Kendrick Lamar sported a letterman-style jacket during his Super Bowl halftime performance Sunday, but it wasn't repping either team on the field. In big letters across the front, the jacket read "GLORIA," an apparent reference to his song with SZA by the same name. SZA performed alongside Lamar during the Super Bowl LIX show. Eagle-eyed viewers spotted more patches and designs on the jacket with special significance. The back was em…