Personalized Whitewater Rafting Water Sports Toddler Long Sleeve T-Shirt. Whitewater rafting Toddler Long Sleeve Tee - White outfit for girls or boys who want to grow up going on river adventures A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.