PUMAs, for those who have forgotten the 2008 Democratic primary race, were the supposedly-numerous Hillary Clinton supporters who refused to back Barack Obama. The name stood for "Party Unity My Ass!" which was also their rallying cry. This year, they may be replaced by the "Bernie Or Bust!" crowd, or (to coin a neologism) the BOBs.
I was stunned to learn that ICNY came to life through an unfortunate car accident in 2012. After being hit by a car while riding his bike, Founder & Creative Director Michael Cherman developed ICNY "with the goal of adding safety and increased visibility to the thriving lane of reflective sports wear apparel & accessories.'"