Personalized Whitewater Rafting Water Sports Youth T-Shirt. Whitewater rafting Youth T-Shirt - White outfit for girls or boys who want to grow up going on river adventures Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.