Personalized Water Polo Coach (Gift Idea) Long Sleeve T-Shirt. World's Best Water Polo Coach Long Sleeve T-Shirt - Red, a perfect gift for your favorite Water Polo Coach. 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