NormCore
I love NORMCORE. And have been obsessed with "causal" "i don't care" dressing since I was a teenager. While people mention Seinfeld as major inspo here, I like to focus more on Mark Zuckerberg or Jesse Eisenberg playing him in The Social Network and Steve Jobs or Ashton Kutcher playing him in Jobs. Here are some fashion normcores, some tech geek normcores and some Seinfeld normcores for your amusement and hopefully inspiration. I am obsessed.