Sickle Cell Awareness T 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 Sickle Cell Anemia Awareness Shirt - Sickle Cell Awareness T Shirt I Wear Burgundy For Sickle Cell Awareness T-Shirt - Burgundy Ribbon Shirt For Men, Women, Youth Lightweight, Classic fit, Double-needle sleeve and bottom hem