Personalized Happy Columbus Day Ship and Stars T-Shirt. Celebrate Columbus Day with this vibrant design featuring a classic ship and stars. Perfect for adding a festive touch to your events. Enjoy the spirit of adventure with this T-Shirt - Silver. 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.