Personalized High School Class Of 2025 Senior Long Sleeve T-Shirt. 2025 senior slogan for a high school student 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