If you live in a major metropolitan area, chances are you know this shirt.
The J. Crew gingham shirt has taken over cities across America, and a hilarious new Instagram account has set out to document every 20-something male who's spotted wearing it.
The account was started by New York City resident Jonathan San a few weeks ago. San told The Huffington Post that he was inspired to start the account after frequently seeing the shirt around the city.
J. Crew describes the button-down as the "the shirt every guy needs in his arsenal." They weren't kidding.
To complete the urban male 20-something uniform, pair with chinos or dark wash jeans, Warby Parker glasses or Ray-Bans, a Herschel backpack or messenger bag, and chukka boots.
Check out the photos: