Keep Calm And Praise Allah | Islam 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 Keep Calm And Praise Allah | Islam T-Shirt. Great Shirt To Show Your Love For Allah The Almighty. Makes A Great Gift! Lightweight, Classic fit, Double-needle sleeve and bottom hem