Personalized 1st Christmas Ethnic Santa Claus Long Sleeve T-Shirt. Baby's 1st Christmas Long Sleeve T-Shirt - White cute holiday outfit with ethnic Santa Claus baby. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL