Irish Sarcasm Society Like We Need Your Support T-Shirts 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 Irish Shirts for women/men Awesome Gift Shirt for Irish on St Patrick's Day Lightweight, Classic fit, Double-needle sleeve and bottom hem