Boys CoComelon Pajamas. Make the countdown to Christmas cute in these CoComelon PJs! This Christmas pajama set come features an all over print with JJ wearing a Santa Claus hat surrounded by candy canes, peppermint candies, snowflakes and the CoComelon logo. Contrasting red tim to the cuffs and collar complete these Christmas CoComelon jammies! Your little melon will love wearing these J.J. pajamas as they wait for Santa to visit!