Personalized Penguin Santa Hat Youth T-Shirt. A cute little penguin peeks out from under an oversized Santa hat. Adorable gift for anyone who loves penguins. Merry Christmas! 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.