This vintage 80s single stitch LIGHT UP Santa T-Shirt is a unique and festive piece perfect for an Ugly Christmas Sweater Party. Made from a cotton blend material, this short sleeve tee features a solid pattern with colorful lights that actually light up, creating a fun and eye-catching effect. The Santa Claus character graphic, along with the puffy and 3D accents, adds to the holiday cheer. With a crew neckline and regular fit, this XL shirt is a must-have for anyone looking to stand out this Christmas season in style.