If you're a fan of Marvel and especially their classic group, the Guardians of the Galaxy, you're going to love this merch! Their tree friend Groot is an member and the character featured on this pajama set. The pajama set-top features the words "I Am Groot" with Groot's face right above them. The shorts feature purple, orange, yellow, and red stripes. The pajama shorts contain an elastic waistband that fits every fan, and the whole pajama set is 100% polyester jersey. These are the best!