Personalized Proud American Heart T-Shirt. Patriotic T-Shirt - White with stars and stripes in the shape of a heart says PROUD TO BE AN AMERICAN. 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.