Born Lucky on St Patricks Day Birthday Tshirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Born on St Patricks Day? That's lucky! Makes a great gift for the St Patrick's Day birthday! Born Lucky on St Patricks Day with horseshoes and shamrocks, symbols of luck. Lightweight, Classic fit, Double-needle sleeve and bottom hem