Chicago T-Shirt Flag Skyline 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 Popular Chicago Flag Skyline shirts for men,women and kids. Windy City tees available in many sizes and colors. Lightweight, Classic fit, Double-needle sleeve and bottom hem