Here you will find a large assortment of Grandpa themed personalized embroidered sweatshirts. I use Gildan brand 50/50 blend heavyweight sweatshirts. They launder great while retaining their color and shape. The sizes are unisex. I have a color chart for the sweatshirts and a size chart located at the left of each page. The titles may be changed as you need them.
Below are some of many Grandpa Sweatshirts designs to choose from: