My SIL bought a blue pair for my son this past summer when he was 4.5. He was a decent swimmer but these really gave him the confidence to swim distances in our pool. He says they're comfortable, so much so that sometimes he will stomp around the house in them! He even takes them on trips with us to use at our destinations with pools. A friend's kids used his this past winter while we were on a trip and loved them too so I bought them a pair!
Rating: [5 of 5 Stars!]