Personalized Beware The Ides Of March Youth T-Shirt. Beware the Ides of March. Funny Shakespeare quote Youth T-Shirt - Kelly Green features The Bard himself in cool shades with Julius Caesar tragedy quote. 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.