Personalized The Best Thing About the Good Old Days 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. Everyone loves our Custom T-Shirts! 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.