Marvel Guardians of the Galaxy Vol. 2 Mantis Lights Girls T-Shirt There's still a lot that Mantis needs to learn about the world, but she's already an expert on how cool the Marvel Mantis Guardians of the Galaxy Vol. 2 Lights Black Racerback Tank Top is! The lovably honest Guardian, Mantis, walks towards you on this cool fitted black Guardians of the Galaxy Volume 2 tank top. 60% Cotton, 40% Polyester. Runs small, size up