Personalized Great Uncle Vintage Long Sleeve T-Shirt. Great Uncle Long Sleeve T-Shirt - White & Heather w/ Hood has cool vintage look design that says authentic Great Uncle 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