Personalized Grandma Irish Shamrocks Toddler Long Sleeve T-Shirt. Grandma text and an array of shamrocks with a green outline is a unique Irish gift design for grandfathers at birthdays, holidays, and St. Patrick's Day. 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.