North Carolina Firefighter Thin Red Line 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 Makes a great gift for your Fireman and Firefighter supporters. Wear your NC Firefighter pride and show your support for North Carolina Firefighters Lightweight, Classic fit, Double-needle sleeve and bottom hem