Chlorine - The breakfast of champions T-Shirt for Swimmers 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 Chlorine - The breakfast of champions T-Shirt The Awesome Swimmer T-Shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem