This Is My Lucky Shirt - St. Paddy's Day 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 One of our many unique and original shirt designs that make a perfect gift for Birthdays, Graduations, Christmas, Anniversary and many more Holidays. Great gift ideas for your Friends and Family. Tees available in Men's, Boys, Girls, Women's and Children's sizes. Lightweight, Classic fit, Double-needle sleeve and bottom hem