I Wear Light Blue For Graves Disease Awareness Shirt T-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 Do you or a loved one have graves disease? Wear this shirt to show your love and support. Perfect for mom, dad, sister, brother, wife, husband, son, daughter, grandma, grandpa, friend Immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). Love support hope treatment, lets fight for prevention and a cure Lightweight, Classic fit, Double-needle sleeve and bottom hem