I'm Not Always Sarcastic 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 Funny, Humorous, Sarcasm. Snark, Joke Funny Gift, Gag Gift, Gift For Friends Lightweight, Classic fit, Double-needle sleeve and bottom hem