Foraging Wild Mushroom Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 58% Cotton, 42% Polyester Imported Machine wash cold with like colors, dry low heat Foraging Wild Mushroom Shirt This mushroom design and other EncycloArt designs are for science and natural history nerds. This premium t-shirt is made of lightweight fine jersey fabric Fit: Slim (consider ordering a larger size for a looser fit)