Personalized I Wear R.e.d. on Friday For Daddy T-Shirt. I wear red on Fridays for my Daddy T-Shirt - White remember everyone deployed military family support. 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.