Progress Not Perfection T-Shirt - Dark Colors 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 Progress Not Perfection Serenity Swag Tees - Get your recovery on! Lightweight, Classic fit, Double-needle sleeve and bottom hem