Cow In A Heartbeat T-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 Cow In A Heartbeat T-Shirt. Great Shirt For Any Cow or Calf Lovers. Makes The Perfect Gift For A Cow Fan! Lightweight, Classic fit, Double-needle sleeve and bottom hem