Personalized Baby's First Christmas T-Shirt. Make lasting memories this holiday season with our Baby's First Christmas apparel. Whether it's for a family gathering, a festive photo shoot, or simply to spread holiday cheer, these outfits are a delightful way to commemorate your baby's milestone. Gift your child the joy of their first Christmas with clothing that embodies the spirit of the season. 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.