Personalized 30th Birthday Cleverly Disguised Long Sleeve T-Shirt. It's your 30th birthday! Now you're cleverly disguised as a responsible adult. Perfect funny and humorous fun gift tee! 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