My Blood Type 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 My Blood Type is Coffee. For the Love of Coffee, Coffee Addict Shirt. Guaranteed to turn heads, this shirt makes a great gift or to wear for yourself! Lightweight, Classic fit, Double-needle sleeve and bottom hem