I CANT KEEP CALM BECAUSE I HAVE ANXIETY 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 Exclusive ThreeRus T-shirt branded tee designed and printed in the USA. Lightweight, Classic fit, Double-needle sleeve and bottom hem