Personalized Nautical 50th Birthday Long Sleeve T-Shirt. Funny 50th birthday Long Sleeve T-Shirt - White with a big number 50 and anchors says VINTAGE VESSEL, THE ANCHOR STILL HOLDS. Perfect for ancient mariners! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL