Personalized New Year 2021 Long Sleeve T-Shirt. Happy New Year, it's 2021! Celebrate the new year! 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