1337 T-Shirt for Computer Hackers 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 The perfect hacker themed tee! Computer technicians, information technology (IT) workers, and self-proclaimed nerds or geeks will love this! Great gift idea for yourself! Show your pride! Available in men's (guys, male, unisex), women's (ladies, female), and children's (child, youth, kids, girls, boys) sizes. Variety of colors to choose from! Navy Blue, Black, Olive Green, Gray / Grey, Dark Red Lightweight, Classic fit, Double-needle sleeve and bottom hem