Personalized Three Geocacher Shamrocks Toddler Long Sleeve T-Shirt. Geocacher text with three shamrocks is a unique gift design for Irish cachers and the Irish at heart 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.