Programmer Shirt - 99 Little Bugs In The Code 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 Programmer Shirt, Programmer T shirt Programmer Shirts, Programmer Tee Shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem