Grandpas Are There To Help Grandkid Get Into Mischief 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 Grandpas Are There To Help Grandkids Get Into Mischief That They Havent Thought Of Yet Amaziene Grandpas Are There To Help Grandkids Get Into Mischief That They Havent Thought Of Yet Lightweight, Classic fit, Double-needle sleeve and bottom hem