Personalized My First Fourth Star T-Shirt. Patriotic T-Shirt - Pacific Blue with an adorable little blue star all dressed up as Uncle Sam with top hat and striped pants, surrounded by red, white and blue stars. He says IT'S MY 1ST 4TH OF JULY. Everyone loves our Custom T-Shirts! 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.