Personalized Three Geocacher Shamrocks Toddler 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 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.