The kids should not be the only ones looking cozy while waiting up for Santa, you can too! Shop our adult onesie pajamas and you will be ready to open gifts, sleep, and lounge around in style. You can find the adult footie pajamas featuring your favorite characters like Batman, Pikachu, and Jack Skellington. If you want to be festive, you can find some onesie pajamas covered in traditional holiday designs and colors. Adult onesie pajamas are perfect for everyone on your list, so be sure to pick them up from Spencersonline.com.