The water wing vest features a neoprene body and super soft sleeves with foam floats strategically sewn into the arms and shoulders to provide exceptional buoyancy and ease of movement the vest features a zip which does up at the back and a tab to hold it in place so little ones wont be able to remove the vest in the pool the sleeves help to stop the jacket from riding up around the neck so little ones can build their swim confidence in comfort with this fantastic