Personalized Julius Caesar Ides Of March American Made T-Shirts. If you are a Shakespeare lover, this fun Beware The Ides Of March quote from Julius Caesar design will let you share your passion for The Bard and his plays on this Shakespeare American Made T-Shirt - White gift. Enjoy the comfort and durability of this 100% cotton t-shirt Born in the U.S.A. 5.4 oz., pre-shrunk 100% cotton. Heather Grey is a cotton/poly blend. Double-needle stitching throughout. . Seamless collar. Shoulder-to-Shoulder taping. Made in America.