Swimfin shark fin - Light pinkSwimFin The fun and effective swimming fin for kids SwimFin is an innovative buoyancy fin that straps onto the back and gives kids extra buoyancy without limiting their freedom of movement in the water. With its cool shark fin design, SwimFin makes swimming more fun and natural, allowing children to move freely while developing their swimming skills. Developed by a renowned swimming instructor in the UK, SwimFin is designed as an alternative to