Boys Avengers Onesie. Your little Avenger-in-training can join his heroes for adventures in dreamland when he goes to bed in this super soft Avengers onesie! This blue all-in-one features a pattern of Hulk, Captain America and Iron Man with a large print of the Avengers' 'A' symbol, a Marvel zip pull and 'Avengers' embroidered on the hood. The simply zip fastening makes suiting up for battle easier than ever! Avengers…ASSEMBLE!