Personalized Mothers Make The Rules T-Shirt. Mothers make the rules and fathers pretend that they dont in decorative text with a gray border is a humorous gift t-shirt design for moms and dads at birthdays, winter holidays, Mothers Day and Fathers day. 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.