Funny PhD Shirt - Taking Your B.S. To A New Level 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 doctorate shirt, PhD candidate shirt, PhD finisher shirt, professor shirt Ph.D Shirt or PhD shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem