Men's The World's Best Border Collie Dad 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 Border Collie TShirt featuring a Border Collie silhouette against a world background Great gift for Border Collie Dog Dads Lightweight, Classic fit, Double-needle sleeve and bottom hem