Cute Computer Nerd Gift Idea; Turn It Off And On Again 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 programming student tshirt; Have You Tried Turning It Off And On Again Shirt- perfect shirt for a technician or support agent who is tired of responding to stupid queries! Great for a professional programmer, or late night coders who work hard for you. computer nerd gift idea, or for a technology professor who is also a die hard gamer geek Lightweight, Classic fit, Double-needle sleeve and bottom hem