Marvel Guardians of the Galaxy Vol 2 Groot Starry Girls T-Shirt Groot may be the quietest member of the team, but his roots are what hold the team together! Celebrate your favorite Guardian with the epic Marvel Groot Guardians of the Galaxy Vol. 2 Starry Black Racerback Tank Top! An artistic starry galaxy stretches out behind Baby Groot, while his famous catchphrase "I am Groot" enfolds beneath him on this truly unique Groot shirt. 60% Cotton, 40% Polyester.