Personalized St Patrick's Day I Love My Irish Girlfriend Toddler T-Shirt. Show off your love and celebrate the luck of the Irish with this must-have addition to your wardrobe this St. Patrick's Day! 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.