Mens World's Best Gymnastics Dad 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 Check out all of our Gymnastics Shirts. World's Best Gymnastics Dad Father's Day Gift Idea Shirt Our Tees are the perfect gift for someones Birthdays, Family gifts, Christmas presents, or any Special Day. Lightweight, Classic fit, Double-needle sleeve and bottom hem