My _______ is a Marine, with 3rd Battalion Crest. Choose the relationship to your Marine, then personalize with Marine's last name and Platoon number. 6.1 oz. 100% preshrunk heavyweight cotton, shoulder-to-shoulder taping, double-needle sleeves and bottom hem. Choose Mom, Dad, Brother, Sister, Aunt, Uncle, Boyfriend, Husband, Son, Daughter, Grandson, Niece, Nephew, Stepmom, Stepdad, Friend, BFF, Cousin, Brother-in-Law or Sister-in-Law.