Great Pyrenees 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 great pyrenees shirt, great pyrenees t shirt, i love my great pyrenees Great Pyrenees T-Shirt Your Dog May Be Good But Mine's Great Shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem