Personalized Sock Monkey 1st St. Pats Toddler T-Shirt. Toddler T-Shirt - White and Black with an adorable smiling green sock monkey in stripes and polka dots holding a shamrock. He says I'M SO CUTE IT MUST BE MY 1ST ST. PATRICK'S DAY. Graphics by JW Illustrations. 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.