These jammies are so fun, he will never want to take them off! This hooded fleece sleeper features Aang, from the Nickelodeon series Avatar, The Last Airbender. These cozy, flame resistant pajamas have knit cuffs at the wrist and ankle, and a concealed zipper. Sizing is as follows: XS=4/5, S=6/7, M=8, L=10/12.