Personalized 50th Birthday Funny 50 Year Old Retro Long Sleeve T-Shirt. Mens funny 50 year old birthday quote says fifty and still paddling with vintage sunset and bigfoot in a boat. 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