The World's Greatest CroonerIf you are The World's Greatest Crooner or if you know someone who is The World's Greatest Crooner, then this gift is definitely for you. Music Tee, TShirt, Shirt. About our Dark T-Shirt: Look cool without breaking the bank. Our durable, high-quality, pre-shrunk 100% cotton t-shirt is what to wear when you want to go comfortably casual. Preshrunk, durable and guaranteed.5.6 oz. 100% cotton. Standard fit..