Personalized I Think Therefore I Vote 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! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.