Personalized Baby's First Christmas T-Shirt. Make this Christmas special with our Baby's First Christmas apparel, a delightful way to create lasting memories. These outfits are perfect for gifting, ensuring that your loved ones can share in the joy of your baby's first holiday. Dress your little one in style and let them shine bright this festive season, because every moment counts when it comes to celebrating their first Christmas! 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.