I Love Horses, Horse Heart Equine 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 I Love Horses, Horse Heart Equine Shirt Show your love for the equine horses and riding. Lightweight, Classic fit, Double-needle sleeve and bottom hem