Mens Never Dreamed I'd Become A Grumpy Old Man But I'm Killing It 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 Makes an amazing gifts for grandpa This Grumpy Old Man design is a slightly distressed design background. Lightweight, Classic fit, Double-needle sleeve and bottom hem