Personalized Swimming Rocks Light Toddler T-Shirt. Swimming Rocks text with three happy, dancing rocks with swim goggles and flippers is a humorous gift design for swimmers and divers during pool and swim team season. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.