Personalized Gulf of America Est. 2025 T-Shirt. Embrace the spirit of change with our "Gulf of America Est. 2025" design, marking the year the Gulf of Mexico was officially renamed. This design reflects a blend of tradition and modern patriotism, perfect for those who honor America's evolving history and coastal identity. 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.