Rosie The Riveter We Can Do It T-Shirt..Vintage Retro Funny 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 Great gift for friends. Feminist T-shirt.. Girl Power Equal rights T-shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem