Personalized Puerto Rico Vacation Cruise T-Shirt. Beautiful sunset T-Shirt - Athletic Heather with palm tree for a cruise or vacation to Puerto Rico 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.