Im Called Grampy Because Cool To Called Grandfather TShirt 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 Im Called Grampy Because Too Cool To Be Called Grandfather Amazing Designs Im Called Grampy Because Too Cool To Be Called Grandfather Lightweight, Classic fit, Double-needle sleeve and bottom hem