Angel Del Rosario has been amassing New Era caps since 1991, and his collection now numbers more than 800.
"I don't have a favorite," he says. "I love 'em all, they're like my children." Some he wears, but he buys two of each, so he'll always have one in perfect condition. His family thinks he's stupid for buying so many hats: "You only have one head anyway," they tell him.
Still, he's doubled down on his passion -- he hopes one day to get married in a New Era fitted cap.