Personalized Three Geocacher Shamrocks Women's V-Neck 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. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit