Personalized Beam Stockings Youth T-Shirt. An I Beam with Christmas stockings hanging from it is a humorous structural steel design for engineers, steel detailers, fabricators and construction workers at holiday time. 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.