[1] The song was written by the duo's members Tyler Hubbard and Brian Kelley, along with Sarah Buxton, Cary Barlowe and Jesse Frasure.

Thematically, the song is about a man who plans to participate in various recreational activities, including flip cup, sexual intercourse, and substance intoxication of cannabis.

Country Weekly describes the song as "reggae-indebted" and said that "While it retains the party friendly vibe of much of FGL’s work, the loose, stripped-down production is a bit of a departure for the duo".

"[4] Kevin John Coyne of Country Universe similarly panned the song, giving it a failing grade and writing "listening to “Sun Daze”, I kept thinking back to those parody music videos that used to pop up on In Living Color and MadTV.

"[5] Jen Swirsky of Country Music Chat gave the song a more positive review, writing "Love it or hate it, 'Sun Daze' is witty.

[10] Footage from the 2014 installment of WWE Night of Champions is shown in the video, an event which Florida Georgia Line served as guest commentators for as a means of cross-promotion.