Dads know a lot, Grandpas know EVERYTHING funny Tshirt-anz

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; This is the perfect t-shirt for the Best Grandpa in your life who loves to be an pa pa and has a unique sense of humor and classy style. If you love being an grandpa, this shirt is for you!; This shirt is perfect to wear to the gym, group exercise, golfing, walking, parties, around town, or family holiday parties. Show your love for being the all knowing grandpa by rocking this crazy, hilarious, awesome t shirt.; Lightweight, Classic fit, Double-needle sleeve and bottom hem