Personalized Genuine Poppa Long Sleeve T-Shirt. Genuine Poppa Long Sleeve T-Shirt - White has fun vintage look label design with Genuine and trusted premium quality Poppa quote. Great Father’s Day gift for a special guy. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL