Boulder CO T-shirt Crossed Arrows COLORADO 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 Boulder CO t-shirt. Two crossed arrows make this design unique. Unique gift for anyone who loves Boulder COLORADO, one of the most beautiful of American cities. Show your love of Boulder, whether your home or adopted home city. Please click our brand name ("City Love T-shirts by Scarebaby") for more cities. Lightweight, Classic fit, Double-needle sleeve and bottom hem