Personalized Dancer Reindeer Youth T-Shirt. Funny Christmas Youth T-Shirt - Heather with DANCER, the reindeer, disco dancing the night away with his 1970's retro vest and jingle bell chain necklace. Perfect for all of Santa's helpers during the holidays. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.