Personalized 1st St Patricks Day baby Toddler T-Shirt. Baby's 1st St Patricks Day Toddler T-Shirt - Heather and Royal holiday gift has Irish baby in a big green hat. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.