Mens Premium Quality Grandpa 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 Retro label style design: "Premium Quality Grandpa. Genuine. Best in the world." Funny alternative to "World's greatest Grandpa" shirt. Humorous birthday, holiday, special occasion or Father's Day gift for grandfather. Lightweight, Classic fit, Double-needle sleeve and bottom hem