Personalized Baby's First Christmas T-Shirt. Gift your little one the joy of their first holiday season with this delightful Christmas apparel. Perfect for creating cherished memories, this outfit is an ideal choice for parents looking to celebrate their baby's milestones. Make this Christmas unforgettable with our Baby's First Christmas collection, where every detail is designed to spread holiday cheer and warmth. 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.