Show off your team pride this holiday season with an unforgettable Boston Celtics ugly Christmas sweater in one of our fun designs. Our holiday sweaters feature novelty graphics with team colors and logos. Your look will stand out whether you're at the arena or one of many holiday parties. We've got Celtics Ugly Sweaters for everyone in the family, so you and the fam can rock off an ensemble look. Our Boston Celtics ugly Christmas sweaters make great gifts, so grab one for a fellow basketball fan too!