Personalized Whitewater Rafting Water Sports Long Sleeve T-Shirt. Whitewater rafting Long Sleeve T-Shirt - White outfit for girls or boys who want to grow up going on river adventures 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