The telling lyrics: "Right behind my left pocket / That is where you'll feel my soul / It's been with me many Winters / It will keep you warm / Ooh, here's my flannel."
Who it's supposed to be about: Jessica Biel
Why? During his interview with Zane Lowe, Timberlake confirmed the track was about Biel, adding that the interlude "Hers" is about how she feels safe and secure when she wears Timberlake's clothes.