St Patricks Day Shamrocks And Swirls T-shirt 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 Design features a motif of shamrocks and swirls Perfect for celebrating St. Patrick's Day or your Irish heritage Lightweight, Classic fit, Double-needle sleeve and bottom hem