Don't Make Me Unleash the Fury - Ninja T-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 The two ninjas on this shirt serve as a warning to anyone that you've got a bad temper, big attitude, short fuse, big ego, or are just grumpy. Don't Make Me Unleash the Fury - Ninja T-Shirt This premium t-shirt is made of lightweight fine jersey fabric Fit: Slim (consider ordering a larger size for a looser fit)