Personalized Trump 45 IQ Men's V-Neck T-Shirt. Trump 45 - That's his IQ. Trump will tell you lots of things. He will tell you he's smart. Don't believe it! The 45 stands for his IQ. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem