Personalized St. Paddy's Leprechaun Gold Youth T-Shirt. Happy St. Paddy's Day Youth T-Shirt - White has big pot of leprechaun gold and room to add a name for a custom holiday gift. 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.