Personalized Sock Monkey 1st St. Pats Toddler Long Sleeve T-Shirt. Toddler Long Sleeve Tee - Vintage Smoke 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 classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.