That's A Sharp. Not A Hashtag T Shirt for Internet Nerd 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 That's A Sharp. Not A Hashtag T Shirt for Internet Nerd Geek Apparel for Nerds Lightweight, Classic fit, Double-needle sleeve and bottom hem