Personalized Wavy Baseball Coach Long Sleeve T-Shirt. Baseball coach in wavy text with 3 baseballs showing through is a unique sports gift design for coaches at birthdays, holidays and special occasions. 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