Personalized Thankful For Pumpkin Pie Youth T-Shirt. Youth T-Shirt - Kelly Green with a cute, smiling pumpkin pie with whipped cream on top that says I'M THANKFUL FOR PUMPKIN PIE. Perfect for Thanksgiving. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.