Personalized I Think Therefore I Vote Long Sleeve T-Shirt. I Think Therefore I Vote! Election time is upon us, and an informed voter is the best voter! Prove how smart you are by voting! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL