Portugal. The Man perform on Late Night with Seth Meyers on Sept. 24, 2018.

Portugal. The Man stopped by Late Night with Seth Meyers on Sep. 24 for a performance of "So Young."

Bathed in red and purple lights, the rock band delivered a seamless rendition of the song, which is about the inexperience, lack of fear, and perceived invincibility held by young people.

"So Young" is a single off Portugal. the Man's eighth album, 2017's Woodstock.

Watch PTM's performance of "So Young" below: