Personalized Coolest Retiree Ever Long Sleeve T-Shirt. Coolest retiree ever! Who's the best retiree? This one! Two thumbs up for this retiree. Great gift for your favorite retired person. 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