Personalized The Best Thing About the Good Old Days Long Sleeve T-Shirt. The best thing about the good old days was that I wasn't good and I wasn't old. Funny gift for anyone who is a little bit older, wiser, and wistful. 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