Discover the story of the song > Are You In? – Incubus

The song is asking if the protagonist's friends are "in" or on board with something. The chorus repeats the question several times. The bridge repeats the question with multiple voices. There is also a mention of sea foam green fashion being in, suggesting the song might be about trends or fitting in with a group. Overall, the song seems to be promoting the idea of being part of a group or community.