Personalized Baby's First Christmas T-Shirt. Make this holiday season unforgettable with our Baby's First Christmas apparel. Each outfit is a celebration of love, joy, and the spirit of giving, making it an essential addition to your baby's wardrobe. Embrace the festivities and create magical moments with your little one, ensuring that their first Christmas is as special as they are. 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.