Personalized 1st Grade Teacher (Genuine) Long Sleeve T-Shirt. 1st Grade Teacher Long Sleeve T-Shirt - White with quote that says Genuine and Trusted Premium Quality in pink. 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