Personalized Baby's First Christmas T-Shirt. Whether you're capturing precious memories with family photos or simply enjoying the magic of Christmas, our Baby's First Christmas apparel is an essential choice. Embrace the spirit of the season and create lasting memories with this delightful clothing line, designed to make your baby's first Christmas truly unforgettable. 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.