Screw the ugly sweater party, this year is all about the undeniable queen: the Christmas PJ's. Why would you choose to wear a hand-me-down mothball sweater when you could show up to the party in complete comfort in this unisex big zip onesie? Get ready to drop to your knees for peppermint patty shots with sweet candy cane chasers. This classic red and green knit print onesie is the newest life of the party.